Open-telemetry Opentelemetry.api vulnerabilities

🔔 Create alert RSS Version checker

Published CVEs affecting Open-telemetry Opentelemetry.api: 1 record(s), with affected versions and fixes.
cpe:2.3:a:opentelemetry:opentelemetry.api

CVE-2026-40894 Medium · 5.3 CWE-789 Apr 23, 2026

OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers

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.