github.com/sigstore/timestamp-authority/v2 (Go) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the Go package github.com/sigstore/timestamp-authority/v2, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (2)

• CVE-2025-66564 — CVSS 7.5 (high): Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Prior to 2.0.3, Function api.ParseJSONRequest currently splits…
• CVE-2026-39984 — CVSS 5.5 (medium): Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Versions 2.0.5 and below contain an authorization bypass…