OpenTelemetry Python: Unbounded tracestate parsing in opentelemetry-api

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-114603 · Microsoft / collected KEV context

cve-program · CVE-2026-114603

• https://github.com/open-telemetry/opentelemetry-python/security/advisories/GHSA-xcq7-p3pf-p88h
• https://github.com/open-telemetry/opentelemetry-python/pull/5749
• https://github.com/open-telemetry/opentelemetry-python/commit/d5224bf4ffdf2aee1b592ad238dcc32ca957f26b
• https://github.com/open-telemetry/opentelemetry-python/blob/main/CHANGELOG.md#version-1451066b1-2026-10-06
• https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.45.1

No related operational record is retained in the current change model.