Description
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
References2
- portal.perforce.com/s/detail/a91PA000001SiDdYAK Third Party Advisory
- seclists.org/fulldisclosure/2026/Sep/9
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
8.6
HIGH
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 66 · as of 7 November 2026
- CWE
- CWE-78
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.