CVE-2025-5459: Puppet Enterprise

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A user with specific node group editing permissions and a specially crafted class parameter could be used to execute commands as root on the primary host. It affects Puppet Enterprise versions 2018.1.8 through 2023.8.3 and 2025.3 and has been resolved in versions 2023.8.4 and 2025.4.0.

Affected products

• Puppet Puppet Enterprise: from 2018.1.8, before 2023.8.4 (fixed in 2023.8.4); version 2025.3.0 only

Published 2025-06-26. Last modified 2026-09-04.