Jenkins before versions 2.44, 2.32.2 is vulnerable to a user data leak in disconnected agents' config.xml API. This could leak sensitive data such as API tokens (SECURITY-362).
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2603
https://github.com/jenkinsci/jenkins/commit/3cd946cbef82c6da5ccccf3890d0ae4e091c4265