CVE-2026-40894
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
5.3 / 10
Vulnerability Description
OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTelemetry.Extensions.Propagators 1.3.1 to 1.15.2, The implementation details of the baggage, B3 and Jaeger processing code in the OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators NuGet packages can allocate excessive memory when parsing which could create a potential denial of service (DoS) in the consuming application. This vulnerability is fixed in 1.15.3.
Vulnerability Details
Published Date
Last Modified
Source
GitHub
Vendor
nuget
Product
OpenTelemetry.Api
External References
- https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-g94r-2vxg-569j
- https://nvd.nist.gov/vuln/detail/CVE-2026-40894
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/1048
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/3244
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/3309
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/3533
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/533
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/7061
- https://github.com/open-telemetry/opentelemetry-dotnet/releases/tag/core-1.15.3
- https://github.com/advisories/GHSA-g94r-2vxg-569j
Discussion (0)
Add Comment
No comments yet. Be the first!