Description
Jenkins 2.527 and earlier, LTS 2.516.2 and earlier does not perform a permission check in the sidepanel of a page intentionally accessible to users lacking Overall/Read permission, allowing attackers without Overall/Read permission to list agent names through its sidepanel executors widget.
Product status
Any version before 2.387
2.516.3 (maven) before 2.516.*
2.528 (maven) before *
References
www.jenkins.io/security/advisory/2025-09-17/ (Jenkins Security Advisory 2025-09-17)