{"action":"Upgrade go.opentelemetry.io/otel to 1.42.0 or later.","affected":[{"fixed":"1.42.0","introduced":"1.41.0"},{"fixed":"1.44.0","introduced":"1.43.0"}],"component":"go.opentelemetry.io/otel","cve_ids":["CVE-2026-41178"],"ecosystem":"Go","epss":0.00336,"exploited":false,"fixed_versions":["1.42.0","1.44.0"],"ghsa_id":"GHSA-5wrp-cwcj-q835","id":"tcs_01M5KGJA607738JYTPNSFZ86RH","modified_at":"2026-07-27T21:59:42.805474793Z","published_at":"2026-07-24T18:35:55Z","references":["https://osv.dev/vulnerability/GO-2026-5158","https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835","https://github.com/open-telemetry/opentelemetry-go/pull/7880"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-5158","url":"https://osv.dev/vulnerability/GO-2026-5158"}],"summary":"Opentelemetry-go's baggage parsing no longer caps raw header length in go.opentelemetry.io/otel"}