CVE-2026-84645

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, objects of types marked as storing their configuration in independent top-level configuration files in Jenkins (such as the global configuration and jobs) can appear as nested field values in user-submitted `config.xml` documents and subsequently handle HTTP requests via Stapler, resulting in remote code execution.

Score

CVSS 3.1 8.8 High

Status

Analyzed - jenkinsci-cert@googlegroups.com

Published

2026-09-02

Last modified

2026-09-03

Weaknesses

CWE-915, CWE-94

Affected products

• Jenkins (Jenkins)
• Jenkins (Jenkins Project)

References

• https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3972