CVE-2016-2786

critical

Published 2016-06-10 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.8

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Debian Fixed 1 release

Version	Status	Fixed in
bullseye	Fixed	`0`

Application impact

Vendor	Product	Versions
puppet	puppet_agent	`1.3.0`
puppet	puppet_agent	`1.3.1`
puppet	puppet_agent	`1.3.2`
puppet	puppet_agent	`1.3.4`
puppet	puppet_agent	`1.3.5`
puppet	puppet_enterprise	`2015.3.0`
puppet	puppet_enterprise	`2015.3.2`

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.