Jenkins Project Jenkins SAML Plugin

• CVE-2026-84668 High 8.8 Jenkins SAML Plugin 4.618.v441a_27fa_46d2 and earlier allows overwriting the SAML identity provider metadata file through Stapler data binding, allowing attackers to replace it with attacker-controlle 0.4%
• CVE-2025-64131 High 7.5 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 an 0.5%
• CVE-2021-21678 Unrated Jenkins SAML Plugin 2.0.7 and earlier allows attackers to craft URLs that would bypass the CSRF protection of any target URL in Jenkins. 0.8%