SB2026090707 - Improper access control in Jenkins Job Configuration History plugin



SB2026090707 - Improper access control in Jenkins Job Configuration History plugin

Published: September 7, 2026

Security Bulletin ID SB2026090707
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2026-84666)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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 redirect history storage to an attacker-specified directory and modify history recording settings.


Remediation

Install update from vendor's website.