YARP Denial of Service Vulnerability
Impact
A denial of service vulnerability exists in YARP.
Patches
If you're using YARP 1.x, you should update to NuGet package version 1.1.2. If you're using YARP 2.0.0, you should update to NuGet package version 2.0.1.
You can do so by updating the PackageReference in your .csproj file
<ItemGroup>
- <PackageReference Include="Yarp.ReverseProxy" Version="2.0.0" />
- <PackageReference Include="Yarp.Telemetry.Consumption" Version="2.0.0" />
+ <PackageReference Include="Yarp.ReverseProxy" Version="2.0.1" />
+ <PackageReference Include="Yarp.Telemetry.Consumption" Version="2.0.1" />
</ItemGroup>or by selecting 2.0.1 in the NuGet UI inside Visual Studio (Manage NuGet Packages / Updates)
References
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Yarp.ReverseProxy | < 1.1.2, >= 2.0.0, < 2.0.1 | 1.1.2, 2.0.1 |
References
- https://github.com/microsoft/reverse-proxy/security/advisories/GHSA-jrjw-qgr2-wfcg
- https://nvd.nist.gov/vuln/detail/CVE-2023-33141
- https://github.com/microsoft/reverse-proxy
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33141
- https://www.nuget.org/packages/Yarp.ReverseProxy/1.1.2
- https://www.nuget.org/packages/Yarp.ReverseProxy/2.0.1
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-400- Platform
- .NET (NuGet)
- Package
Yarp.ReverseProxy- Disclosed
- 23.06.2023
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jrjw-qgr2-wfcg - CC BY 4.0
Vulnerability history: Yarp.ReverseProxy
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 04.2022 06.2023
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
Disclosures per year
- 2022: 1
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 0
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YARP Denial of Service Vulnerability this entry
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