CVE-2025-64131

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-29 · updated 2026-10-08
Weakness: CWE-294

Description

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 Project Jenkins SAML Plugin: before 4.583.585.v22ccc1139f55 — fixed in 4.583.585.v22ccc1139f55

How to fix

Upgrade to a fixed version: Jenkins Project Jenkins SAML Plugin 4.583.585.v22ccc1139f55. Check the vendor advisory for mitigations.

References

https://www.jenkins.io/security/advisory/2025-10-29/#SECURITY-3613
http://www.openwall.com/lists/oss-security/2025/10/29/2

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