{"id":"EUVD-2026-25269","revision":"f7797f001e644478a7c47254fdf4df37","records":[{"revision":"f7797f001e644478a7c47254fdf4df37","observedAt":"2026-11-01T07:05:05.635+00:00","statement":{"source":"euvd","id":"EUVD-2026-25269","aliases":["CVE-2026-40894"],"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":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":null}],"references":["https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-g94r-2vxg-569j","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"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25269","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Apr 23, 2026, 6:03:28 PM","dateUpdated":"Apr 23, 2026, 7:22:47 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-25269","identifiers":["EUVD-2026-25269","CVE-2026-40894"]},"retained":false,"historicalAffected":[]}],"coverage":[]}