{"id":"GO-2026-4354","summary":"Rekor's COSE v0.0.1 entry type nil pointer dereference in Canonicalize via empty Message in github.com/sigstore/rekor","details":"Rekor's COSE v0.0.1 entry type nil pointer dereference in Canonicalize via empty Message in github.com/sigstore/rekor","aliases":["CVE-2026-23831","GHSA-273p-m2cw-6833"],"modified":"2026-07-17T21:09:38.714107378Z","published":"2026-02-02T21:05:55Z","database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4354","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/sigstore/rekor/security/advisories/GHSA-273p-m2cw-6833"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23831"},{"type":"FIX","url":"https://github.com/sigstore/rekor/commit/39bae3d192bce48ef4ef2cbd1788fb5770fee8cd"},{"type":"WEB","url":"https://github.com/sigstore/rekor/releases/tag/v1.5.0"}],"affected":[{"package":{"name":"github.com/sigstore/rekor","ecosystem":"Go","purl":"pkg:golang/github.com/sigstore/rekor"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.5.0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4354.json"}}],"schema_version":"1.7.5"}