What’s Vulnerable › Vulnerabilities

CVE-2026-84645

Description

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.

Affected products

How to fix

Upgrade to a fixed version: Jenkins 2.568.3, 2.580. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2026-84645 or the next vulnerability affects your stack