CVE-2026-84668

Description

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-controlled content and authenticate as any user.

CVSS Vector

References

• https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4065