CVE-2016-5713: Puppet Agent

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

Versions of Puppet Agent prior to 1.6.0 included a version of the Puppet Execution Protocol (PXP) agent that passed environment variables through to Puppet runs. This could allow unauthorized code to be loaded. This bug was first introduced in Puppet Agent 1.3.0.

Affected products

• Puppet Puppet Agent: from 1.3.0, before 1.6.0 (fixed in 1.6.0)

Published 2017-12-06. Last modified 2026-06-17.