{"schema_version":"1.3.1","id":"GO-2026-4309","modified":"2026-01-13T16:42:40Z","published":"2026-01-13T16:42:40Z","aliases":["CVE-2026-22703","GHSA-whqx-f9j3-ch6m"],"summary":"Cosign verification accepts any valid Rekor entry under certain conditions in github.com/sigstore/cosign","details":"Cosign verification accepts any valid Rekor entry under certain conditions in github.com/sigstore/cosign","affected":[{"package":{"name":"github.com/sigstore/cosign","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/sigstore/cosign/v2","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.6.2"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/sigstore/cosign/v3","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.4"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/sigstore/cosign/security/advisories/GHSA-whqx-f9j3-ch6m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22703"},{"type":"FIX","url":"https://github.com/sigstore/cosign/commit/6832fba4928c1ad69400235bbc41212de5006176"},{"type":"FIX","url":"https://github.com/sigstore/cosign/pull/4623"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4309","review_status":"UNREVIEWED"}}