Puppet vulnerabilities: known CVEs & security history
Puppet · Configuration management · 42 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Puppet release lines — 42 in total. A CVE here doesn't mean your version is affected — check Puppet's current status and the safe version to run.
Known Puppet CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2016-2785 | critical | 9.8 | 3% | 2016 |
| CVE-2013-1640 | high | 9 | 5% | 2013 |
| CVE-2021-27021 | high | 8.8 | 1% | 2021 |
| CVE-2018-6513 | high | 8.8 | 1% | 2018 |
| CVE-2017-2295 | high | 8.2 | 2% | 2017 |
| CVE-2018-6515 | high | 7.8 | 1% | 2018 |
| CVE-2018-6514 | high | 7.8 | 1% | 2018 |
| CVE-2013-3567 | high | 7.5 | 3% | 2013 |
| CVE-2013-1655 | high | 7.5 | 5% | 2013 |
| CVE-2013-1653 | high | 7.1 | 5% | 2013 |
| CVE-2012-1053 | medium | 6.9 | 0% | 2012 |
| CVE-2021-27025 | medium | 6.5 | 1% | 2021 |
| CVE-2020-7942 | medium | 6.5 | 1% | 2020 |
| CVE-2017-10690 | medium | 6.5 | 1% | 2018 |
| CVE-2014-3250 | medium | 6.5 | 1% | 2017 |
| CVE-2013-2274 | medium | 6.5 | 3% | 2013 |
| CVE-2011-3870 | medium | 6.3 | 0% | 2011 |
| CVE-2011-3869 | medium | 6.3 | 0% | 2011 |
| CVE-2014-3248 | medium | 6.2 | 1% | 2014 |
| CVE-2011-3871 | medium | 6.2 | 0% | 2011 |
| CVE-2012-1988 | medium | 6 | 3% | 2012 |
| CVE-2017-10689 | medium | 5.5 | 0% | 2018 |
| CVE-2011-0528 | medium | 5.5 | 2% | 2014 |
| CVE-2013-4761 | medium | 5.1 | 2% | 2013 |
| CVE-2013-1654 | medium | 5 | 3% | 2013 |
| CVE-2011-3848 | medium | 5 | 1% | 2011 |
| CVE-2021-27022 | medium | 4.9 | 1% | 2021 |
| CVE-2013-1652 | medium | 4.9 | 2% | 2013 |
| CVE-2021-27026 | medium | 4.4 | 0% | 2021 |
| CVE-2012-1054 | medium | 4.4 | 0% | 2012 |
| CVE-2012-3867 | medium | 4.3 | 2% | 2012 |
| CVE-2013-2275 | medium | 4 | 3% | 2013 |
| CVE-2012-3864 | medium | 4 | 2% | 2012 |
| CVE-2013-4956 | low | 3.6 | 0% | 2013 |
| CVE-2012-1989 | low | 3.6 | 0% | 2012 |
| CVE-2012-3865 | low | 3.5 | 2% | 2012 |
| CVE-2012-1987 | low | 3.5 | 3% | 2012 |
| CVE-2012-1906 | low | 3.3 | 0% | 2012 |
| CVE-2010-0156 | low | 3.3 | 0% | 2010 |
| CVE-2011-3872 | low | 2.6 | 2% | 2011 |
| CVE-2012-3866 | low | 2.1 | 0% | 2012 |
| CVE-2012-1986 | low | 2.1 | 1% | 2012 |
Is my Puppet version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Puppet version → · Monitor Puppet for new CVEs →
Puppet vulnerabilities — frequently asked
How many known vulnerabilities does Puppet have?
IsItPatched tracks 42 CVEs for Puppet. 1 is critical-severity and 9 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Puppet have any actively-exploited vulnerabilities?
None of Puppet's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Puppet vulnerability?
Among tracked issues, CVE-2016-2785 (CRITICAL, CVSS 9.8) ranks highest — a Improper access control weakness.
Is Puppet safe to use?
It depends on the version. The latest supported Puppet release (8.18.0) clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Puppet security status · Puppet end-of-life · actively-exploited CVEs. Always verify against Puppet's advisories — see our disclaimer.