Jenkins Debian Package Builder Plugin 1.6.11 and earlier implements functionality that allows agents to invoke command-line `git` at an attacker-specified path on the controller, allowing attackers able to control agent processes to invoke arbitrary OS commands on the controller.

Jenkins Debian Package Builder Plugin 1.6.11 and earlier stores a GPG passphrase unencrypted in its global configuration file on the Jenkins master where it can be viewed by users with access to the master file system.