CVE-2026-109476
ASP.NET Core Information Disclosure Vulnerability
Improper encoding or escaping of output in ASP.NET Core allows an unauthorized attacker to disclose information over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
ASP.NET Core Information Disclosure Vulnerability
Improper encoding or escaping of output in ASP.NET Core allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-109476- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness
- CWE-116
- Updated
- 2026-11-10
EUVDEUVD-2026-121560
Improper encoding or escaping of output in ASP.NET Core allows an unauthorized attacker to disclose information over a network.
- Record
EUVD-2026-121560- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-xhj5-c3g8-pfj8
Microsoft Security Advisory CVE-2026-109476 - ASP.NET Core Information Disclosure Vulnerability
Executive summary
Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core. This advisory provides guidance on updating affected applications and components.
A crafted X-Forwarded-Prefix can inject cookie path delimiters unless PathBase-derived cookie paths percent-encode semicolons.
Announcement
Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/508
CVSS Details
- Version: 3.1
- Severity: Medium
- Score: 6.1 (base score)
- Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness: CWE-116
Affected Platforms
- Platforms: Windows, Linux, macOS
- Architectures: All
<a name="affected-packages"></a>Affected Packages
The tables list affected version ranges and fixed package versions. Runtime and standalone deliveries are listed separately.
.NET 8.0 - affected runtime packages
Package | Affected version | Patched version --- | --- | --- Microsoft.AspNetCore.App.Runtime.linux-arm | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.osx-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.osx-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.win-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.win-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.win-x86 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34
.NET 9.0 - affected runtime packages
Package | Affected version | Patched version --- | --- | --- Microsoft.AspNetCore.App.Runtime.linux-arm | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-arm64 | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-x64 | >= 9.0.0-preview.1.24081.5, <=…
- Record
GHSA-xhj5-c3g8-pfj8- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-116
- Updated
- 2026-11-10
NVD
Improper encoding or escaping of output in ASP.NET Core allows an unauthorized attacker to disclose information over a network.
- Record
CVE-2026-109476- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-116
- Updated
- 2026-11-11
OSVGHSA-xhj5-c3g8-pfj8
Microsoft Security Advisory CVE-2026-109476 - ASP.NET Core Information Disclosure Vulnerability
Executive summary
Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core. This advisory provides guidance on updating affected applications and components.
A crafted X-Forwarded-Prefix can inject cookie path delimiters unless PathBase-derived cookie paths percent-encode semicolons.
Announcement
Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/508
CVSS Details
- Version: 3.1
- Severity: Medium
- Score: 6.1 (base score)
- Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C - Weakness: CWE-116
Affected Platforms
- Platforms: Windows, Linux, macOS
- Architectures: All
<a name="affected-packages"></a>Affected Packages
The tables list affected version ranges and fixed package versions. Runtime and standalone deliveries are listed separately.
.NET 8.0 - affected runtime packages
Package | Affected version | Patched version --- | --- | --- Microsoft.AspNetCore.App.Runtime.linux-arm | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.linux-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.osx-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.osx-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.win-arm64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.win-x64 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34 Microsoft.AspNetCore.App.Runtime.win-x86 | >= 8.0.0-rc.1.23421.29, <= 8.0.33 | 8.0.34
.NET 9.0 - affected runtime packages
Package | Affected version | Patched version --- | --- | --- Microsoft.AspNetCore.App.Runtime.linux-arm | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-arm64 | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >= 9.0.0-preview.1.24081.5, <= 9.0.22 | 9.0.23 Microsoft.AspNetCore.App.Runtime.linux-x64 | >= 9.0.0-preview.1.24081.5, <=…
- Record
GHSA-xhj5-c3g8-pfj8- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N - Weakness
- CWE-116
- Updated
- 2026-11-10
Affected products
- microsoft .net 10.0 installed on linux
- microsoft .net 10.0 installed on mac os
- microsoft .net 10.0 installed on windows
- microsoft .net 11.0 installed on linux
- microsoft .net 11.0 installed on mac os
- microsoft .net 11.0 installed on windows
- microsoft .net 8.0 installed on linux
- microsoft .net 8.0 installed on mac os
- microsoft .net 8.0 installed on windows
- microsoft .net 9.0 installed on linux
- microsoft .net 9.0 installed on mac os
- microsoft .net 9.0 installed on windows
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Show 78 moreShow less
| Package | Affected | Fixed |
|---|---|---|
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
8.0.0-rc.1.23421.29 to 8.0.33 | 8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
9.0.0-preview.1.24081.5 to 9.0.22 | 9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
10.0.0-preview.1.25120.3 to 10.0.14 | 10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
11.0.0-preview.1.26104.118 to 11.0.0-rc.3.26522.148 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
8.0.0-rc.1.23421.29 up to 8.0.34, plus listed versions 8.0.08.0.18.0.108.0.118.0.12 Show 28 moreShow less8.0.138.0.148.0.158.0.168.0.178.0.188.0.198.0.28.0.208.0.218.0.228.0.238.0.248.0.258.0.268.0.278.0.288.0.298.0.38.0.308.0.318.0.328.0.338.0.48.0.58.0.68.0.78.0.8 |
8.0.34 |
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
9.0.0-preview.1.24081.5 up to 9.0.23, plus listed versions 9.0.09.0.19.0.109.0.119.0.12 Show 18 moreShow less9.0.139.0.149.0.159.0.169.0.179.0.189.0.199.0.29.0.209.0.219.0.229.0.39.0.49.0.59.0.69.0.79.0.89.0.9 |
9.0.23 |
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
10.0.0-preview.1.25120.3 up to 10.0.15, plus listed versions 10.0.010.0.110.0.1010.0.1110.0.12 Show 10 moreShow less10.0.1310.0.1410.0.210.0.310.0.410.0.510.0.610.0.710.0.810.0.9 |
10.0.15 |
Microsoft.AspNetCore.App.Runtime.linux-armNuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-arm64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-musl-armNuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-musl-x64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.linux-x64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.osx-arm64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.osx-x64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.win-arm64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.win-x64NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
Microsoft.AspNetCore.App.Runtime.win-x86NuGet |
11.0.0-preview.1.26104.118 up to 11.0.0 | 11.0.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| affected, references | OSV | |
| affected, aliases, facts, references | GitHub Advisories, NVD | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-109476 is a medium vulnerability (CVSS 6.1) in Microsoft .net 10.0 Installed On Linux, published November 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. Fixed in Microsoft.AspNetCore.App.Runtime.linux-arm 8.0.34.
References
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109476
github.com/dotnet/aspnetcore/security/advisories/GHSA-xhj5-c3g8-pfj8
nvd.nist.gov/vuln/detail/CVE-2026-109476
Show 11 moreShow less
Left out here: the rest of 2 source descriptions. The JSON record has them.