CVE-2022-26924

YARP Denial of Service Vulnerability

7.5 HighFix available

YARP Denial of Service Vulnerability

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

3.51%Up 2.6 points since Apr 16, 2022

What each source reports

CVE List Score used 7.5

YARP Denial of Service Vulnerability

YARP Denial of Service Vulnerability

Record: CVE-2022-26924
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Updated: 2026-11-02

EUVDEUVD-2022-1683 7.5

YARP Denial of Service Vulnerability

Record: EUVD-2022-1683
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8xc6-g8xw-h2c4 7.5

YARP Denial of Service Vulnerability

Impact

A denial of service vulnerability exists in how YARP processes input.

Patches

If you're using YARP 1.0.0, you should update to NuGet package version 1.0.1. If you're using YARP 1.1.0-RC.1, you should update to NuGet package version 1.1.0-rc.1.22211.2.

You can do so by updating the PackageReference in your .csproj file

<ItemGroup>
- <PackageReference Include="Yarp.ReverseProxy" Version="1.0.0" />
- <PackageReference Include="Yarp.Telemetry.Consumption" Version="1.0.0" />
+ <PackageReference Include="Yarp.ReverseProxy" Version="1.0.1" />
+ <PackageReference Include="Yarp.Telemetry.Consumption" Version="1.0.1" />
</ItemGroup>

or by selecting 1.0.1 in the NuGet UI inside Visual Studio (Manage NuGet Packages / Updates)

References

CVE-2022-26924

Record: GHSA-8xc6-g8xw-h2c4
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

NVD 7.5

YARP Denial of Service Vulnerability

Record: CVE-2022-26924
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

OSV 7.5

YARP Denial of Service Vulnerability

Record: CVE-2022-26924
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVGHSA-8xc6-g8xw-h2c4 7.5

YARP Denial of Service Vulnerability

Impact

A denial of service vulnerability exists in how YARP processes input.

Patches

If you're using YARP 1.0.0, you should update to NuGet package version 1.0.1. If you're using YARP 1.1.0-RC.1, you should update to NuGet package version 1.1.0-rc.1.22211.2.

You can do so by updating the PackageReference in your .csproj file

<ItemGroup>
- <PackageReference Include="Yarp.ReverseProxy" Version="1.0.0" />
- <PackageReference Include="Yarp.Telemetry.Consumption" Version="1.0.0" />
+ <PackageReference Include="Yarp.ReverseProxy" Version="1.0.1" />
+ <PackageReference Include="Yarp.Telemetry.Consumption" Version="1.0.1" />
</ItemGroup>

or by selecting 1.0.1 in the NuGet UI inside Visual Studio (Manage NuGet Packages / Updates)

References

CVE-2022-26924

Record: GHSA-8xc6-g8xw-h2c4
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`Yarp.ReverseProxy` NuGet	before 1.0.1	1.0.1
`Yarp.ReverseProxy` NuGet	1.1.0-rc.1.22152.1 to 1.1.0-rc.1.22152.1	1.1.0-rc.1.22211.2
`Yarp.ReverseProxy` NuGet	before 1.0.1, plus listed versions 1.0.0	1.0.1
`Yarp.ReverseProxy` NuGet	1.1.0-rc.1.22152.1 up to 1.1.0-rc.1.22211.2	1.1.0-rc.1.22211.2

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2022-26924 is a high vulnerability (CVSS 7.5) in Microsoft Yarp 1.0, published April 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.51%, the 89th percentile. Fixed in Yarp.ReverseProxy 1.0.1.