What’s Vulnerable › Products

sigstore timestamp-authority vulnerabilities

3 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 3 published in the last 12 months.

Check whether your sigstore timestamp-authority version is affected

Latest sigstore timestamp-authority vulnerabilities

• CVE-2026-49835 — Sigstore Timestamp Authority: OOM due to unbounded metric label cardinality (CVSS 7.5)
• CVE-2026-39984 — Sigstore Timestamp Authority has Improper Certificate Validation in verifier (CVSS 5.5)
• CVE-2025-66564 — Sigstore Timestamp Authority allocates excessive memory during request parsing (CVSS 7.5)