Vulnerability · Published Sep 2, 2026 · Assigned by jenkins
CVE-2026-84666
Medium 5.4
In plain English
A medium-severity improper input validation in Jenkins Job Configuration History Plugin from Jenkins Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 96.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Jenkins Job Configuration History Plugin 1367.vc8fa_b_15101dc and earlier allows overwriting the plugin's history recording configuration through Stapler data binding, allowing attackers to redirect history storage to an attacker-specified directory and modify history recording settings.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins Project | Jenkins Job Configuration History Plugin | 0 – through 1367.vc8fa_b_15101dc |
Weakness: CWE-20, CWE-494 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
References
- Jenkins Security Advisory 2026-09-02 vendor-advisory