sigstore has CSRF possibility in OIDC authentication during signing
sigstore-python is a Python tool for generating and verifying Sigstore signatures. Prior to version 4.2.0, the sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery. `_OAuthSession` creates a unique "state" and sends it as a parameter in the authentication request but the "state" in the…
Severity none: primary CNA CVSS 0 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-01-26T22:21:35.047Z. Updated 2026-01-27T21:35:14.119Z.