{"id":"GO-2026-5763","summary":"Sigstore Timestamp Authority has Improper Certificate Validation in verifier in github.com/sigstore/timestamp-authority","details":"Sigstore Timestamp Authority has Improper Certificate Validation in verifier in github.com/sigstore/timestamp-authority","aliases":["CVE-2026-39984","GHSA-xm5m-wgh2-rrg3"],"modified":"2026-07-17T21:12:24.616545559Z","published":"2026-06-25T22:34:41Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5763","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-xm5m-wgh2-rrg3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39984"},{"type":"WEB","url":"https://github.com/sigstore/timestamp-authority/releases/tag/v2.0.6"}],"affected":[{"package":{"name":"github.com/sigstore/timestamp-authority","ecosystem":"Go","purl":"pkg:golang/github.com/sigstore/timestamp-authority"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5763.json"}},{"package":{"name":"github.com/sigstore/timestamp-authority/v2","ecosystem":"Go","purl":"pkg:golang/github.com/sigstore/timestamp-authority/v2"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.6"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-5763.json"}}],"schema_version":"1.7.5"}