Detections
Analytics
CVE-2026-40894
medium
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.
References
https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-g94r-2vxg-569j
https://github.com/open-telemetry/opentelemetry-dotnet/pull/7061
https://github.com/open-telemetry/opentelemetry-dotnet/pull/533
https://github.com/open-telemetry/opentelemetry-dotnet/pull/3309
https://github.com/open-telemetry/opentelemetry-dotnet/pull/3244
https://github.com/open-telemetry/opentelemetry-dotnet/pull/1048