CVE-2016-9299

CRITICALNVD 9.89.8—

9.8

The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers to execute arbitrary code via a crafted serialized Java object, which triggers an LDAP query to a third-party server.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.6%
KEV: Not listed

Published

January 12, 2017

Last Modified

May 13, 2026

Advisory Details (10)

Auto-updated May 14, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

Jenkins CLI - HTTP Java Deserialization (Metasploit) - Linux remote Exploit

https://www.exploit-db.com/exploits/44642/

generic

CloudBees

https://www.cloudbees.com/jenkins-security-advisory-2016-11-16

generic

Jenkins Security Advisory 2016-11-16

https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2016-11-16

generic

[SECURITY] Fedora 25 Update: jenkins-remoting-2.62.3-1.fc25 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZW2KUKYLNLVDB7STLHLYALCUFLEGCRM6/

generic

Redirecting to Google Groups

https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/LZ7EOS0fBgAJ

generic

Redirecting to Google Groups

https://groups.google.com/forum/#%21original/jenkinsci-advisories/-fc-w9tNEJE/GRvEzWoJBgAJ

generic

Java Deserialization Vulnerabilities - The Forgotten Bug Class (DeepSec Edition) | PDF

http://www.slideshare.net/codewhitesec/java-deserialization-vulnerabilities-the-forgotten-bug-class-deepsec-edition

generic

http://www.securityfocus.com/bid/94281

generic

oss-security - Re: CVE request: Jenkins remote code execution vulnerability

http://www.openwall.com/lists/oss-security/2016/11/14/9

generic

oss-security - CVE request: Jenkins remote code execution vulnerability

http://www.openwall.com/lists/oss-security/2016/11/12/4

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.jenkins-ci.main:jenkins-core	1.396 ... 2.9 (355 versions)	2.19.3	—

Data Freshness Timeline

(refreshed 4× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-24 16:44 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 11:21 UTCepss_batch
2026-05-20 09:37 UTCEG score recompute
2026-05-20 05:22 UTCEG score recompute
2026-05-20 01:07 UTCEG score recompute
2026-05-19 20:52 UTCEG score recompute
2026-05-19 16:37 UTCEG score recompute
2026-05-19 12:22 UTCEG score recompute
2026-05-19 08:07 UTCEG score recompute
2026-05-19 03:51 UTCEG score recompute
2026-05-18 23:33 UTCEG score recompute
2026-05-18 21:30 UTCepss_batch
2026-05-18 21:30 UTCepss_batch

Frequently asked(5)

What is CVE-2016-9299?

CVE-2016-9299 is a critical vulnerability published on January 12, 2017. The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers to execute arbitrary code via a crafted serialized Java object, which triggers an LDAP query to a third-party server.

When was CVE-2016-9299 disclosed?

CVE-2016-9299 was first published in the National Vulnerability Database on January 12, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-9299 actively exploited?

CVE-2016-9299 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-9299?

CVE-2016-9299 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2016-9299?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-9299, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2016-9299

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Is Your Infrastructure Affected by CVE-2016-9299?

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CVE-2016-9299

📅 Published

🔄 Last Modified

📋 Advisory Details (10)

Jenkins CLI - HTTP Java Deserialization (Metasploit) - Linux remote Exploit

CloudBees

Jenkins Security Advisory 2016-11-16

[SECURITY] Fedora 25 Update: jenkins-remoting-2.62.3-1.fc25 - package-announce - Fedora mailing-lists

Redirecting to Google Groups

Redirecting to Google Groups

Java Deserialization Vulnerabilities - The Forgotten Bug Class (DeepSec Edition) | PDF

oss-security - Re: CVE request: Jenkins remote code execution vulnerability

oss-security - CVE request: Jenkins remote code execution vulnerability

Affected Packages

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2016-9299?

Published

Last Modified

Advisory Details (10)

Frequently asked(5)