CVE-2026-54787: sigstore-go fails to check signature timestamps against a signing key's validity period
sigstore-go fails to check signature timestamps against a signing key’s validity period for self-managed long-lived keys without certificates.
References
- github.com/advisories/GHSA-wqqc-jjcq-vfxm
- github.com/sigstore/sigstore-go/commit/4594ab4c779d08be1f4419803a8249188f35ed5f
- github.com/sigstore/sigstore-go/pull/642
- github.com/sigstore/sigstore-go/releases/tag/v1.2.1
- github.com/sigstore/sigstore-go/security/advisories/GHSA-wqqc-jjcq-vfxm
- nvd.nist.gov/vuln/detail/CVE-2026-54787
Code Behaviors & Features
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