CVE-2025-64131: Jenkins SAML

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Jenkins SAML Plugin 4.583.vc68232f7018a_ and earlier does not implement a replay cache, allowing attackers able to obtain information about the SAML authentication flow between a user's web browser and Jenkins to replay those requests, authenticating to Jenkins as that user.

Affected products

• Jenkins SAML: before 4.583.585.v22ccc1139f55 (fixed in 4.583.585.v22ccc1139f55)

Published 2025-10-29. Last modified 2026-10-08.