{"action":"Upgrade go.opentelemetry.io/otel/sdk to 1.33.0 or later.","affected":[{"fixed":"1.33.0","introduced":"1.10.0"}],"component":"go.opentelemetry.io/otel/sdk","cve_ids":["CVE-2026-81869"],"ecosystem":"Go","epss":0.0018,"exploited":false,"fixed_versions":["1.33.0"],"ghsa_id":"GHSA-p9f8-wvj8-2fg8","id":"tcs_01M5KGVT95VK58N85MFCAC4K3F","modified_at":"2026-10-01T20:45:17.224166882Z","published_at":"2026-10-01T20:24:10Z","references":["https://osv.dev/vulnerability/GO-2026-6616","https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-p9f8-wvj8-2fg8","https://github.com/open-telemetry/opentelemetry-go/commit/e016a78c9f5b24a1c2beeaad47686c2f2213f49a","https://github.com/open-telemetry/opentelemetry-go/issues/5996","https://github.com/open-telemetry/opentelemetry-go/pull/5997","https://github.com/open-telemetry/opentelemetry-go/releases/tag/sdk/v1.33.0"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-6616","url":"https://osv.dev/vulnerability/GO-2026-6616"}],"summary":"OpenTelemetry-Go: UTF-8 replacement rune bypasses attribute length truncation in go.opentelemetry.io/otel/sdk"}