CVE-2026-48815: sigstore's `certificateOIDs` verification constraints are silently dropped and never enforced

July 1, 2026

The documented certificateOIDs option in sigstore.verify() is accepted by the public API but discarded before verification, so required certificate extension OIDs are never checked.

References

github.com/advisories/GHSA-52v5-jr5w-gjxr
github.com/sigstore/sigstore-js/security/advisories/GHSA-52v5-jr5w-gjxr
nvd.nist.gov/vuln/detail/CVE-2026-48815

Code Behaviors & Features

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