Puppet Server before 2.3.2 and Ruby puppetmaster in Puppet 4.x before 4.4.2 and in Puppet Agent before 1.4.2 might allow remote attackers to bypass intended auth.conf access restrictions by leveraging incorrect URL decoding.
CVE-2016-2785
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 62% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 85.2%
- KEV
- Not listed
Published
June 10, 2016
Last Modified
May 6, 2026
Advisory Details (2)
Auto-updated May 8, 2026Puppet Server and Agent: Multiple vulnerabilities (GLSA 201606-02) — Gentoo security
https://security.gentoo.org/glsa/201606-02(maint) merge-back for work for CVE-2016-2785 by underscorgan · Pull Request #4921 · puppetlabs/puppet · GitHub
https://github.com/puppetlabs/puppet/pull/4921/commits/8d2ce797db265720f0a20d1d46ee2757b4e4f6b2Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| puppet | 4.0.0 ... 4.4.1 (11 versions) | 4.4.2 | — |
Data Freshness Timeline
(refreshed 9× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:23 UTCEPSS rescore
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- 2026-07-08 06:05 UTCOSV refresh
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- 2026-06-19 17:55 UTCOSV refresh
- 2026-06-18 17:50 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-30 23:23 UTCOSV refresh
- 2026-05-29 13:41 UTCEPSS rescore
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- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-23 00:10 UTCEG score recompute
- 2026-05-22 21:15 UTCEPSS rescore
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- 2026-05-20 09:13 UTCEG score recompute
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- 2026-05-20 01:10 UTCEG score recompute
- 2026-05-19 20:51 UTCEG score recompute
- 2026-05-19 16:53 UTCEG score recompute
- 2026-05-19 12:43 UTCEG score recompute
- 2026-05-19 08:41 UTCEG score recompute
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- 2026-05-19 00:43 UTCEG score recompute
- 2026-05-18 21:30 UTCEPSS rescore
- 2026-05-18 21:30 UTCEPSS rescore
Frequently asked(5)
What is CVE-2016-2785?
When was CVE-2016-2785 disclosed?
Is CVE-2016-2785 actively exploited?
What is the CVSS score of CVE-2016-2785?
How do I remediate CVE-2016-2785?
Dependency Blast Radius
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