{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41178","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-17T16:34:45.526Z","datePublished":"2026-06-04T14:38:23.707Z","dateUpdated":"2026-06-04T15:46:11.923Z"},"containers":{"cna":{"title":"OpenTelemetry-Go's baggage parsing no longer caps raw header length","problemTypes":[{"descriptions":[{"cweId":"CWE-789","lang":"en","description":"CWE-789: Memory Allocation with Excessive Size Value","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"references":[{"name":"https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835","tags":["x_refsource_CONFIRM"],"url":"https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835"},{"name":"https://github.com/open-telemetry/opentelemetry-go/pull/7880","tags":["x_refsource_MISC"],"url":"https://github.com/open-telemetry/opentelemetry-go/pull/7880"}],"affected":[{"vendor":"open-telemetry","product":"go.opentelemetry.io/otel/baggage","versions":[{"version":"= 1.41.0","status":"affected"},{"version":"= 1.43.0","status":"affected"}]},{"vendor":"open-telemetry","product":"go.opentelemetry.io/otel/propagation","versions":[{"version":"= 1.41.0","status":"affected"},{"version":"= 1.43.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-04T14:38:23.707Z"},"descriptions":[{"lang":"en","value":"OpenTelemetry-Go is the Go implementation of OpenTelemetry. Versions 1.41.0 and 1.43.0 removed raw-length rejection and it causes `Parse` to process arbitrarily large/invalid baggage headers and log errors, enabling DoS via oversized inputs. Versions 1.42.0 and 1.44.0 fix the issue."}],"source":{"advisory":"GHSA-5wrp-cwcj-q835","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-04T15:46:06.715583Z","id":"CVE-2026-41178","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-04T15:46:11.923Z"}}]}}