CVE-2026-49835

Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Prior to 2.1.0, the global wrapMetrics middleware records raw HTTP request path r.URL.Path and raw HTTP request method r.Method as Prometheus labels for latency and request count metric vectors before routing, allowing an...

CVE-2026-49835

CVE-2026-49835 affects Sigstore Timestamp Authority. The issue arises from the legacy wrapMetrics middleware, which records raw HTTP path and method as Prometheus labels for latency and request count, enabling an unauthenticated attacker to issue requests with arbitrary paths/methods and create u...

PT-2026-54445

Name of the Vulnerable Software and Affected Versions Sigstore Timestamp Authority versions prior to v2.0.7 Description An unauthenticated remote attacker can cause unbounded memory growth on the timestamp authority server. The issue occurs because the wrapMetrics middleware records the raw HTTP...