In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, objects of types marked as storing their...

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.