Vulnerability in Jenkins Job Configuration History Plugin Allows Configuration Manipulation
CVE-2026-84666

5.4MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Job Configuration History Plugin
Vendor
CVE Published:
2 September 2026

What is CVE-2026-84666?

The Jenkins Job Configuration History Plugin, up to version 1367.vc8fa_b_15101dc, is susceptible to an issue where attackers can exploit Stapler data binding to overwrite the plugin's history recording configuration. This exploitation allows adversaries to redirect the history storage to a directory of their choice and manipulate the recording settings, potentially leading to unauthorized alterations in job configuration history.

Affected Version(s)

Jenkins Job Configuration History Plugin 0 <= 1367.vc8fa_b_15101dc

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECU...
vendor-advisory

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.