SB2026090718 - Improper access control in Jenkins SAML plugin
Published: September 7, 2026
Security Bulletin ID
SB2026090718
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2026-84668)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within the @DataBoundConstructor annotation. A remote user can overwrite the SAML identity provider metadata with attacker-controlled content without the required permission.
Remediation
Install update from vendor's website.