GHSA-92MR-4W2Q-4578 Exposure of Sensitive Information to an Unauthorized Actor in Jenkins

The re-key admin monitor was introduced in Jenkins 1.498 and re-encrypted all secrets in JENKINSHOME with a new key. It also created a backup directory with all old secrets, and the key used to encrypt them. These backups were world-readable and not removed afterwards. Jenkins now deletes the...