CVE-2026-24408 - sigstore has CSRF possibility in OIDC authentication during signing
CVE ID : CVE-2026-24408
Published : Jan. 26, 2026, 11:16 p.m. | 29 minutes ago
Description : 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 server response seems not not be cross-checked with this value. Version 4.2.0 contains a patch for the issue.
Severity: 0.0 | NONE
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Published : Jan. 26, 2026, 11:16 p.m. | 29 minutes ago
Description : 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 server response seems not not be cross-checked with this value. Version 4.2.0 contains a patch for the issue.
Severity: 0.0 | NONE
Visit the link for more details, such as CVSS details, affected products, timeline, and more...