Jenkins SAML Plugin <=4.618: Metadata file overwrite via Stapler
CVE-2026-84668 Published on September 2, 2026

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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-84668 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2026-84668 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2026-84668

Want to know whenever a new CVE is published for Jenkins? stack.watch will email you.

Jenkins
 

Affected Versions

Jenkins Project Jenkins SAML Plugin: