{"id":"CVE-2026-40894","revision":"35ade7f34635495cbc5ad9757403aaaa","records":[{"revision":"35ade7f34635495cbc5ad9757403aaaa","observedAt":"2026-10-27T10:10:07.342+00:00","statement":{"source":"nvd","id":"CVE-2026-40894","aliases":[],"title":"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 Open…","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.","state":0,"publishedAt":"2026-04-23T19:17:28.81+00:00","modifiedAt":"2026-10-26T22:10:00.163+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":"MEDIUM"}],"references":["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/533","https://github.com/open-telemetry/opentelemetry-dotnet/pull/7061","https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-g94r-2vxg-569j"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-40894","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-789"],"productCriteria":["cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:.net:*:*","cpe:2.3:a:opentelemetry:opentelemetry.api:*:*:*:*:*:.net:*:*","cpe:2.3:a:opentelemetry:opentelemetry.extensions.propagators:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-04-23T19:17:28.810","lastModified":"2026-10-26T22:10:00.163"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-40894","identifiers":["CVE-2026-40894"]},"retained":false,"historicalAffected":[]}],"coverage":[]}