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CVE-2026-102870

ASP.NET Core Remote Code Execution Vulnerability

8.8 HighFix available

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.91%Up 0.1 points since Oct 14, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.8

ASP.NET Core Remote Code Execution Vulnerability

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Record
CVE-2026-102870
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness
CWE-94
Updated
2026-11-02
EUVDEUVD-2026-100325 8.8

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Record
EUVD-2026-100325
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Updated
2026-11-02
GitHub AdvisoriesGHSA-g27p-qf6j-c96c 8.8

Microsoft Security Advisory CVE-2026-102870 - ASP.NET Core Remote Code Execution Vulnerability

Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in the Blazor WebAssembly debugger included in Microsoft.AspNetCore.Components.WebAssembly.Server. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

The Blazor WebAssembly debug proxy evaluates debugger expressions by generating and compiling C# source. Certain values originating in the application being debugged, including ToString() results, descriptions, and class names, are embedded in that generated source without consistent escaping. An attacker-controlled value can escape the generated string literal and execute code on a developer's machine when the developer evaluates an expression during debugging.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/445

CVSS Details

  • Version: 3.1
  • Severity: High
  • Score: 8.8
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Weakness: CWE-94 (Improper Control of Generation of Code ('Code Injection'))

Affected Platforms

  • Platforms: Windows, Linux, macOS
  • Architectures: All

<a name="affected-packages"></a>Affected Packages

The vulnerability affects Microsoft .NET projects that use an affected package version listed below.

Package name | Affected version | Patched version ------------ | ---------------- | --------------- Microsoft.AspNetCore.Components.WebAssembly.Server | >= 10.0.0, <= 10.0.13 | 10.0.14 Microsoft.AspNetCore.Components.WebAssembly.Server | >= 11.0.0-preview.1, < 11.0.0-rc.3.26522.148 | 11.0.0-rc.3.26522.148

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

You are affected if you use a vulnerable version of Microsoft.AspNetCore.Components.WebAssembly.Server to debug a Blazor WebAssembly application and evaluate an expression involving attacker-controlled application data.

<a name="how-fix"></a>How do I fix the issue?

  1. Install the latest supported version of .NET.
  2. Update Microsoft.AspNetCore.Components.WebAssembly.Server to the patched version for the .NET release used by the application.

Once the updated package or runtime is installed, restart the debugger and development environment.

Other Information

Reporting Security Issues

If you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ.

Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.

Support

You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repositories are located at https://github.com/dotnet/runtime and https://github.com/dotnet/aspnetcore. The Announcements repository (https://github.com/dotnet/announcements) will contain this bulletin as an issue and will include a link to a discussion issue.

Disclaimer

The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such…

Record
GHSA-g27p-qf6j-c96c
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-03
NVD 8.8

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Record
CVE-2026-102870
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-02
OSVALPINE-CVE-2026-102870 8.8

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Record
ALPINE-CVE-2026-102870
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSVGHSA-g27p-qf6j-c96c 8.8

Microsoft Security Advisory CVE-2026-102870 - ASP.NET Core Remote Code Execution Vulnerability

Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in the Blazor WebAssembly debugger included in Microsoft.AspNetCore.Components.WebAssembly.Server. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

The Blazor WebAssembly debug proxy evaluates debugger expressions by generating and compiling C# source. Certain values originating in the application being debugged, including ToString() results, descriptions, and class names, are embedded in that generated source without consistent escaping. An attacker-controlled value can escape the generated string literal and execute code on a developer's machine when the developer evaluates an expression during debugging.

Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/445

CVSS Details

  • Version: 3.1
  • Severity: High
  • Score: 8.8
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Weakness: CWE-94 (Improper Control of Generation of Code ('Code Injection'))

Affected Platforms

  • Platforms: Windows, Linux, macOS
  • Architectures: All

<a name="affected-packages"></a>Affected Packages

The vulnerability affects Microsoft .NET projects that use an affected package version listed below.

Package name | Affected version | Patched version ------------ | ---------------- | --------------- Microsoft.AspNetCore.Components.WebAssembly.Server | >= 10.0.0, <= 10.0.13 | 10.0.14 Microsoft.AspNetCore.Components.WebAssembly.Server | >= 11.0.0-preview.1, < 11.0.0-rc.3.26522.148 | 11.0.0-rc.3.26522.148

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

You are affected if you use a vulnerable version of Microsoft.AspNetCore.Components.WebAssembly.Server to debug a Blazor WebAssembly application and evaluate an expression involving attacker-controlled application data.

<a name="how-fix"></a>How do I fix the issue?

  1. Install the latest supported version of .NET.
  2. Update Microsoft.AspNetCore.Components.WebAssembly.Server to the patched version for the .NET release used by the application.

Once the updated package or runtime is installed, restart the debugger and development environment.

Other Information

Reporting Security Issues

If you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ.

Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.

Support

You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repositories are located at https://github.com/dotnet/runtime and https://github.com/dotnet/aspnetcore. The Announcements repository (https://github.com/dotnet/announcements) will contain this bulletin as an issue and will include a link to a discussion issue.

Disclaimer

The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such…

Record
GHSA-g27p-qf6j-c96c
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-03
Show 9 moreShow less
OSVRLSA-2026:86192 9.4

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113 Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)

  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)

  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)

  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)

  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)

  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)

  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)

  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)

  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)

  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)

  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)

  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)

  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)

  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 (JIRA:Rocky Linux-277805)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:86192
CVSS 3.1
9.4 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVRLSA-2026:86193 9.4

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113 Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)

  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)

  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)

  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)

  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)

  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)

  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)

  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)

  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)

  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)

  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)

  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)

  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)

  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [rhel-9.8.z] (JIRA:Rocky Linux-277808)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:86193
CVSS 3.1
9.4 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVRLSA-2026:86195 9.4

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113 Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)

  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)

  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)

  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)

  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)

  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)

  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)

  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)

  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)

  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)

  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)

  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)

  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)

  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)

  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)

  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)

  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)

  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [rhel-10.2.z] (JIRA:Rocky Linux-277809)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:86195
CVSS 3.1
9.4 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2026-102870 8.8

Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.

Record
UBUNTU-CVE-2026-102870
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVALSA-2026:86192 No score

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113
Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)
  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)
  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)
  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)
  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)
  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)
  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)
  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)
  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)
  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)
  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)
  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)
  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)
  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 (JIRA:AlmaLinux-277805)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:86192
Updated
2026-11-02
OSVALSA-2026:86193 No score

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113
Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)
  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)
  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)
  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)
  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)
  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)
  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)
  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)
  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)
  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)
  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)
  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)
  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)
  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [almalinux-9.8.z] (JIRA:AlmaLinux-277808)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:86193
Updated
2026-11-02
OSVALSA-2026:86195 No score

Critical: .NET 10.0 security, bug fix, and enhancement update

.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.

SDK version: 10.0.113
Runtime version: 10.0.13

Security Fix(es):

  • dotnet: dotnet10.0: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-102870)
  • dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-66822)
  • dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651)
  • dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175)
  • dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183)
  • dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186)
  • dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188)
  • dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196)
  • dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092)
  • dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707)
  • dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225)
  • dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230)
  • dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231)
  • dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233)
  • dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236)
  • dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237)
  • dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)
  • dotnet10.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96957)

Bug Fix(es) and Enhancement(s):

  • Update .NET 10.0 to SDK 10.0.113 and Runtime 10.0.13 [almalinux-10.2.z] (JIRA:AlmaLinux-277809)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:86195
Updated
2026-11-02
OSVUSN-8942-1 No score

dotnet8, dotnet10, dotnet11 vulnerabilities

Multiple security issues were discovered in .NET and this update includes new upstream .NET versions to fix these issues.

.NET 8 has been updated to 8.0.32 in Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. .NET 10 has been updated to 10.0.13 in Ubuntu 24.04 LTS, Ubuntu 26.04 LTS and Ubuntu 26.10. .NET 11 has been updated to 11.0.0~rc2 in Ubuntu 26.10.

In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

Record
USN-8942-1
Updated
2026-11-02
OSVUSN-8958-1 No score

dotnet8, dotnet10, dotnet11 vulnerabilities

It was discovered that the .NET Blazor WebAssembly debug proxy did not properly escape certain values. An attacker could possibly use this issue to execute arbitrary code. The fix for this CVE was originally released via USN-8942-1, but it was found to be incomplete. This issue only affected dotnet10 and dotnet11. (CVE-2026-102870)

It was discovered that the Brotli decompression library used by .NET incorrectly handled certain compressed streams. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-111497)

Alen Cheung discovered that .NET did not properly handle file ownership in certain circumstances. An attacker could possibly use this issue to elevate local privileges. (CVE-2026-114148)

Record
USN-8958-1
Updated
2026-11-02

Affected products

Show 1 moreShow less

Affected packages

Affected packages
PackageAffectedFixed
Microsoft.AspNetCore.Components.WebAssembly.Server
NuGet
 10.0.0 to 10.0.13
10.0.14
Microsoft.AspNetCore.Components.WebAssembly.Server
NuGet
 11.0.0-preview.1 up to 11.0.0-rc.3.26522.148
11.0.0-rc.3.26522.148
dotnet10-runtime
Alpine:v3.23
 before 10.0.13-r0
10.0.13-r0
dotnet10-runtime
Alpine:v3.24
 before 10.0.13-r0
10.0.13-r0
aspnetcore-runtime-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
aspnetcore-runtime-dbg-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
aspnetcore-targeting-pack-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet
AlmaLinux:8
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-apphost-pack-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-hostfxr-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
Show 53 moreShow less
Affected packages
PackageAffectedFixed
dotnet-runtime-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-runtime-dbg-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-sdk-10.0
AlmaLinux:8
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-sdk-10.0-source-built-artifacts
AlmaLinux:8
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-sdk-aot-10.0
AlmaLinux:8
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-sdk-dbg-10.0
AlmaLinux:8
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
dotnet-targeting-pack-10.0
AlmaLinux:8
 before 10.0.13-1.el8_10
10.0.13-1.el8_10
dotnet-templates-10.0
AlmaLinux:8
 before 10.0.113-1.el8_10
10.0.113-1.el8_10
aspnetcore-runtime-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
aspnetcore-runtime-dbg-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
aspnetcore-targeting-pack-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-apphost-pack-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-host
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-hostfxr-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-runtime-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-runtime-dbg-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-sdk-10.0
AlmaLinux:9
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-sdk-10.0-source-built-artifacts
AlmaLinux:9
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-sdk-aot-10.0
AlmaLinux:9
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-sdk-dbg-10.0
AlmaLinux:9
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
dotnet-targeting-pack-10.0
AlmaLinux:9
 before 10.0.13-1.el9_8
10.0.13-1.el9_8
dotnet-templates-10.0
AlmaLinux:9
 before 10.0.113-1.el9_8
10.0.113-1.el9_8
aspnetcore-runtime-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
aspnetcore-runtime-dbg-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
aspnetcore-targeting-pack-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-apphost-pack-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-host
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-hostfxr-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-runtime-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-runtime-dbg-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-sdk-10.0
AlmaLinux:10
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-sdk-10.0-source-built-artifacts
AlmaLinux:10
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-sdk-aot-10.0
AlmaLinux:10
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-sdk-dbg-10.0
AlmaLinux:10
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
dotnet-targeting-pack-10.0
AlmaLinux:10
 before 10.0.13-1.el10_2
10.0.13-1.el10_2
dotnet-templates-10.0
AlmaLinux:10
 before 10.0.113-1.el10_2
10.0.113-1.el10_2
Microsoft.AspNetCore.Components.WebAssembly.Server
NuGet
 10.0.0 up to 10.0.14, plus listed versions
10.0.110.0.1010.0.1110.0.1210.0.13
Show 8 moreShow less
10.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9
10.0.14
dotnet10.0
Rocky Linux:8
 before 0:10.0.113-1.el8_10
0:10.0.113-1.el8_10
dotnet10.0
Rocky Linux:9
 before 0:10.0.113-1.el9_8
0:10.0.113-1.el9_8
dotnet10.0
Rocky Linux:10
 before 0:10.0.113-1.el10_2
0:10.0.113-1.el10_2
dotnet7
Ubuntu:22.04:LTS
 All versions, plus listed versions
7.0.105-0ubuntu1~22.04.17.0.107-0ubuntu1~22.04.17.0.108-0ubuntu1~22.04.17.0.109-0ubuntu1~22.04.17.0.110-0ubuntu1~22.04.1
Show 9 moreShow less
7.0.111-0ubuntu1~22.04.17.0.112-0ubuntu1~22.04.17.0.113-0ubuntu1~22.04.17.0.114-0ubuntu1~22.04.17.0.115-0ubuntu1~22.04.17.0.116-0ubuntu1~22.04.17.0.117-0ubuntu1~22.04.17.0.117-0ubuntu1~22.04.27.0.119-0ubuntu1~22.04.1
 None known
dotnet10
Ubuntu:24.04:LTS
 before 10.0.114-10.0.14-0ubuntu1~24.04.1, plus listed versions
10.0.100-10.0.0-0ubuntu1~24.04.110.0.101-10.0.1-0ubuntu1~24.04.210.0.103-10.0.3-0ubuntu1~24.04.110.0.104-10.0.4-0ubuntu1~24.04.110.0.105-10.0.5-0ubuntu1~24.04.1
Show 8 moreShow less
10.0.106-10.0.6-0ubuntu1~24.04.110.0.107-10.0.7-0ubuntu1~24.04.110.0.108-10.0.8-0ubuntu1~24.04.110.0.109-10.0.9-0ubuntu1~24.04.110.0.110-10.0.10-0ubuntu1~24.04.110.0.111-10.0.11-0ubuntu1~24.04.110.0.112-10.0.12-0ubuntu1~24.04.110.0.113-10.0.13-0ubuntu1~24.04.1
10.0.114-10.0.14-0ubuntu1~24.04.1
dotnet10
Ubuntu:26.10
 before 10.0.114-10.0.14-0ubuntu1~26.10.1, plus listed versions
10.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu110.0.109-10.0.9-0ubuntu110.0.110-10.0.10-0ubuntu3
Show 4 moreShow less
10.0.111-10.0.11-0ubuntu110.0.112-10.0.12-0ubuntu110.0.112-10.0.12-0ubuntu210.0.113-10.0.13-0ubuntu1~26.10.1
10.0.114-10.0.14-0ubuntu1~26.10.1
dotnet11
Ubuntu:26.10
 before 11.0.100-11.0.0~rc3-0ubuntu1~26.10.1, plus listed versions
11.0.100-11.0.0~rc1-0ubuntu111.0.100-11.0.0~rc2-0ubuntu1~26.10.1
11.0.100-11.0.0~rc3-0ubuntu1~26.10.1
dotnet10
Ubuntu:26.04:LTS
 before 10.0.114-10.0.14-0ubuntu1~26.04.1, plus listed versions
10.0.100-10.0.0~rc1-0ubuntu110.0.100-10.0.0~rc2-0ubuntu110.0.100-10.0.0-0ubuntu110.0.100-10.0.0-0ubuntu210.0.101-10.0.1-0ubuntu1
Show 13 moreShow less
10.0.101-10.0.1-0ubuntu210.0.101-10.0.1-0ubuntu310.0.102-10.0.2-0ubuntu110.0.103-10.0.3-0ubuntu110.0.104-10.0.4-0ubuntu110.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu1~26.04.110.0.109-10.0.9-0ubuntu1~26.04.110.0.110-10.0.10-0ubuntu1~26.04.110.0.111-10.0.11-0ubuntu1~26.04.110.0.112-10.0.12-0ubuntu1~26.04.110.0.113-10.0.13-0ubuntu1~26.04.1
10.0.114-10.0.14-0ubuntu1~26.04.1
dotnet8
Ubuntu:22.04:LTS
 before 8.0.132-8.0.32-0ubuntu1~22.04.1, plus listed versions
8.0.102-8.0.2-0ubuntu1~22.04.18.0.103-8.0.3-0ubuntu1~22.04.18.0.103-8.0.3-0ubuntu1~22.04.28.0.105-8.0.5-0ubuntu1~22.04.18.0.107-8.0.7-0ubuntu1~22.04.1
Show 22 moreShow less
8.0.108-8.0.8-0ubuntu1~22.04.18.0.110-8.0.10-0ubuntu1~22.04.18.0.111-8.0.11-0ubuntu1~22.04.18.0.112-8.0.12-0ubuntu1~22.04.18.0.114-8.0.14-0ubuntu1~22.04.18.0.115-8.0.15-0ubuntu1~22.04.18.0.116-8.0.16-0ubuntu1~22.04.18.0.117-8.0.17-0ubuntu1~22.04.18.0.118-8.0.18-0ubuntu1~22.04.18.0.119-8.0.19-0ubuntu1~22.04.18.0.120-8.0.20-0ubuntu1~22.04.18.0.121-8.0.21-0ubuntu1~22.04.18.0.122-8.0.22-0ubuntu1~22.04.18.0.123-8.0.23-0ubuntu1~22.04.18.0.124-8.0.24-0ubuntu1~22.04.18.0.125-8.0.25-0ubuntu1~22.04.18.0.126-8.0.26-0ubuntu1~22.04.18.0.127-8.0.27-0ubuntu1~22.04.18.0.128-8.0.28-0ubuntu1~22.04.18.0.129-8.0.29-0ubuntu1~22.04.18.0.130-8.0.30-0ubuntu1~22.04.18.0.131-8.0.31-0ubuntu1~22.04.1
8.0.132-8.0.32-0ubuntu1~22.04.1
dotnet10
Ubuntu:24.04:LTS
 before 10.0.113-10.0.13-0ubuntu1~24.04.1, plus listed versions
10.0.100-10.0.0-0ubuntu1~24.04.110.0.101-10.0.1-0ubuntu1~24.04.210.0.103-10.0.3-0ubuntu1~24.04.110.0.104-10.0.4-0ubuntu1~24.04.110.0.105-10.0.5-0ubuntu1~24.04.1
Show 7 moreShow less
10.0.106-10.0.6-0ubuntu1~24.04.110.0.107-10.0.7-0ubuntu1~24.04.110.0.108-10.0.8-0ubuntu1~24.04.110.0.109-10.0.9-0ubuntu1~24.04.110.0.110-10.0.10-0ubuntu1~24.04.110.0.111-10.0.11-0ubuntu1~24.04.110.0.112-10.0.12-0ubuntu1~24.04.1
10.0.113-10.0.13-0ubuntu1~24.04.1
dotnet8
Ubuntu:24.04:LTS
 before 8.0.132-8.0.32-0ubuntu1~24.04.1, plus listed versions
8.0.100-8.0.0~rc1-0ubuntu18.0.100-8.0.0~rc2-0ubuntu18.0.100-8.0.0~rc2-0ubuntu28.0.100-8.0.0-0ubuntu18.0.100-8.0.0-0ubuntu2
Show 31 moreShow less
8.0.101-8.0.1-0ubuntu18.0.101-8.0.1-0ubuntu28.0.102-8.0.2-0ubuntu18.0.103-8.0.3-0ubuntu28.0.103-8.0.3-0ubuntu38.0.104-8.0.4-0ubuntu18.0.105-8.0.5-0ubuntu1~24.04.18.0.107-8.0.7-0ubuntu1~24.04.18.0.108-8.0.8-0ubuntu1~24.04.18.0.108-8.0.8-0ubuntu1~24.04.28.0.110-8.0.10-0ubuntu1~24.04.18.0.111-8.0.11-0ubuntu1~24.04.18.0.112-8.0.12-0ubuntu1~24.04.18.0.114-8.0.14-0ubuntu1~24.04.18.0.115-8.0.15-0ubuntu1~24.04.18.0.116-8.0.16-0ubuntu1~24.04.18.0.117-8.0.17-0ubuntu1~24.04.18.0.118-8.0.18-0ubuntu1~24.04.18.0.119-8.0.19-0ubuntu1~24.04.18.0.120-8.0.20-0ubuntu1~24.04.18.0.121-8.0.21-0ubuntu1~24.04.18.0.122-8.0.22-0ubuntu1~24.04.18.0.123-8.0.23-0ubuntu1~24.04.18.0.124-8.0.24-0ubuntu1~24.04.18.0.125-8.0.25-0ubuntu1~24.04.18.0.126-8.0.26-0ubuntu1~24.04.18.0.127-8.0.27-0ubuntu1~24.04.18.0.128-8.0.28-0ubuntu1~24.04.18.0.129-8.0.29-0ubuntu1~24.04.18.0.130-8.0.30-0ubuntu1~24.04.18.0.131-8.0.31-0ubuntu1~24.04.1
8.0.132-8.0.32-0ubuntu1~24.04.1
dotnet10
Ubuntu:26.10
 before 10.0.113-10.0.13-0ubuntu1~26.10.1, plus listed versions
10.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu110.0.109-10.0.9-0ubuntu110.0.110-10.0.10-0ubuntu310.0.111-10.0.11-0ubuntu110.0.112-10.0.12-0ubuntu110.0.112-10.0.12-0ubuntu2
10.0.113-10.0.13-0ubuntu1~26.10.1
dotnet11
Ubuntu:26.10
 before 11.0.100-11.0.0~rc2-0ubuntu1~26.10.1, plus listed versions
11.0.100-11.0.0~rc1-0ubuntu1
11.0.100-11.0.0~rc2-0ubuntu1~26.10.1
dotnet10
Ubuntu:26.04:LTS
 before 10.0.113-10.0.13-0ubuntu1~26.04.1, plus listed versions
10.0.100-10.0.0~rc1-0ubuntu110.0.100-10.0.0~rc2-0ubuntu110.0.100-10.0.0-0ubuntu110.0.100-10.0.0-0ubuntu210.0.101-10.0.1-0ubuntu1
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10.0.101-10.0.1-0ubuntu210.0.101-10.0.1-0ubuntu310.0.102-10.0.2-0ubuntu110.0.103-10.0.3-0ubuntu110.0.104-10.0.4-0ubuntu110.0.105-10.0.5-0ubuntu110.0.107-10.0.7-0ubuntu1~26.04.110.0.108-10.0.8-0ubuntu1~26.04.110.0.109-10.0.9-0ubuntu1~26.04.110.0.110-10.0.10-0ubuntu1~26.04.110.0.111-10.0.11-0ubuntu1~26.04.110.0.112-10.0.12-0ubuntu1~26.04.1
10.0.113-10.0.13-0ubuntu1~26.04.1
dotnet8
Ubuntu:22.04:LTS
 before 8.0.133-8.0.33-0ubuntu1~22.04.1, plus listed versions
8.0.102-8.0.2-0ubuntu1~22.04.18.0.103-8.0.3-0ubuntu1~22.04.18.0.103-8.0.3-0ubuntu1~22.04.28.0.105-8.0.5-0ubuntu1~22.04.18.0.107-8.0.7-0ubuntu1~22.04.1
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8.0.108-8.0.8-0ubuntu1~22.04.18.0.110-8.0.10-0ubuntu1~22.04.18.0.111-8.0.11-0ubuntu1~22.04.18.0.112-8.0.12-0ubuntu1~22.04.18.0.114-8.0.14-0ubuntu1~22.04.18.0.115-8.0.15-0ubuntu1~22.04.18.0.116-8.0.16-0ubuntu1~22.04.18.0.117-8.0.17-0ubuntu1~22.04.18.0.118-8.0.18-0ubuntu1~22.04.18.0.119-8.0.19-0ubuntu1~22.04.18.0.120-8.0.20-0ubuntu1~22.04.18.0.121-8.0.21-0ubuntu1~22.04.18.0.122-8.0.22-0ubuntu1~22.04.18.0.123-8.0.23-0ubuntu1~22.04.18.0.124-8.0.24-0ubuntu1~22.04.18.0.125-8.0.25-0ubuntu1~22.04.18.0.126-8.0.26-0ubuntu1~22.04.18.0.127-8.0.27-0ubuntu1~22.04.18.0.128-8.0.28-0ubuntu1~22.04.18.0.129-8.0.29-0ubuntu1~22.04.18.0.130-8.0.30-0ubuntu1~22.04.18.0.131-8.0.31-0ubuntu1~22.04.18.0.132-8.0.32-0ubuntu1~22.04.1
8.0.133-8.0.33-0ubuntu1~22.04.1
dotnet8
Ubuntu:24.04:LTS
 before 8.0.133-8.0.33-0ubuntu1~24.04.1, plus listed versions
8.0.100-8.0.0~rc1-0ubuntu18.0.100-8.0.0~rc2-0ubuntu18.0.100-8.0.0~rc2-0ubuntu28.0.100-8.0.0-0ubuntu18.0.100-8.0.0-0ubuntu2
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8.0.101-8.0.1-0ubuntu18.0.101-8.0.1-0ubuntu28.0.102-8.0.2-0ubuntu18.0.103-8.0.3-0ubuntu28.0.103-8.0.3-0ubuntu38.0.104-8.0.4-0ubuntu18.0.105-8.0.5-0ubuntu1~24.04.18.0.107-8.0.7-0ubuntu1~24.04.18.0.108-8.0.8-0ubuntu1~24.04.18.0.108-8.0.8-0ubuntu1~24.04.28.0.110-8.0.10-0ubuntu1~24.04.18.0.111-8.0.11-0ubuntu1~24.04.18.0.112-8.0.12-0ubuntu1~24.04.18.0.114-8.0.14-0ubuntu1~24.04.18.0.115-8.0.15-0ubuntu1~24.04.18.0.116-8.0.16-0ubuntu1~24.04.18.0.117-8.0.17-0ubuntu1~24.04.18.0.118-8.0.18-0ubuntu1~24.04.18.0.119-8.0.19-0ubuntu1~24.04.18.0.120-8.0.20-0ubuntu1~24.04.18.0.121-8.0.21-0ubuntu1~24.04.18.0.122-8.0.22-0ubuntu1~24.04.18.0.123-8.0.23-0ubuntu1~24.04.18.0.124-8.0.24-0ubuntu1~24.04.18.0.125-8.0.25-0ubuntu1~24.04.18.0.126-8.0.26-0ubuntu1~24.04.18.0.127-8.0.27-0ubuntu1~24.04.18.0.128-8.0.28-0ubuntu1~24.04.18.0.129-8.0.29-0ubuntu1~24.04.18.0.130-8.0.30-0ubuntu1~24.04.18.0.131-8.0.31-0ubuntu1~24.04.18.0.132-8.0.32-0ubuntu1~24.04.1
8.0.133-8.0.33-0ubuntu1~24.04.1

History

History
RecordedChangedSources
affected, facts, referencesGitHub Advisories, OSV
affected, aliases, referencesOSV
aliases
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-102870 is a high vulnerability (CVSS 8.8) in Microsoft .net 10.0 Installed On Linux, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 59th percentile. Fixed in Microsoft.AspNetCore.Components.WebAssembly.Server 10.0.14.

References

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This page doesn't list everything

Left out here: the rest of 2 source descriptions. The JSON record has them.

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