sigstore timestamp-authority
3 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-49835 | < 2.1.0 | Sigstore Timestamp Authority: OOM due to unbounded metric label cardinality | HIGH 7.5 | 0.7 % | ||
| CVE-2026-39984 | < 2.0.6 | Sigstore Timestamp Authority has Improper Certificate Validation in verifier | MEDIUM 5.5 | 0.1 % | ||
| CVE-2025-66564 | < 2.0.3 | Sigstore Timestamp Authority allocates excessive memory during request parsing | HIGH 7.5 | 0.4 % |