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.

  • Published Sep 2, 2026
  • CVSS 8.8 high
  • 0.8% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-84645 at the National Vulnerability Database