sigstore (RubyGems) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the RubyGems package sigstore, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (1)

• CVE-2026-31830 — CVSS 7.5 (high): sigstore-ruby is a pure Ruby implementation of the sigstore verify command from the sigstore/cosign project. Prior to 0.2.3…