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Vulnerability record · CVE-2016-2786 · published 10 June 2016

CVE-2016-2786: Puppet agent improper input validation vulnerability

Puppet · Puppet Agent

The pxp-agent component in Puppet Enterprise 2015.3.x before 2015.3.3 and Puppet Agent 1.3.x before 1.3.6 does not properly validate server certificates, which might allow remote attackers to spoof brokers and execute arbitrary commands via a crafted certificate.

9.8 CVSS 3.1 Critical EPSS 1.6% · top 25.7% CWE-20 · Improper input validation
9.8CVSS 3.1 base score, v2 7.5
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The pxp-agent component in Puppet Enterprise 2015.3.x before 2015.3.3 and Puppet Agent 1.3.x before 1.3.6 does not properly validate server certificates, which might allow remote attackers to spoof brokers and execute arbitrary commands via a crafted certificate.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://puppet.com/security/cve/CVE-2016-2786 Vendor Advisory
https://security.gentoo.org/glsa/201606-02 Third Party Advisory
https://puppet.com/security/cve/CVE-2016-2786 Vendor Advisory
https://security.gentoo.org/glsa/201606-02 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-2786), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.