Jenkins CSRF protection bypass vulnerability

published 2023-06-14 3 y ago modified 2026-09-08 2 mo ago also BIT-jenkins-2023-35141 , EUVD-2023-1762 , GHSA-98fp-r22g-wpj7

cvss: 8.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

In Jenkins 2.399 and earlier, LTS 2.387.3 and earlier, POST requests are sent in order to load the list of context actions. If part of the URL includes insufficiently escaped user-provided values, a victim may be tricked into sending a POST request to an unexpected endpoint by opening a context menu.

Patch / fix

fixed in 3

maven org.jenkins-ci.main:jenkins-core 2.400
bitnami jenkins 2.401.1
Jenkins Project Jenkins 2.400

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-35141 updated 2026-08-04 cvss 8.0

jenkins: CSRF protection bypass vulnerability

Red Hat OpenShift Container Platform 3.11 jenkins
affected: no fix planned “Will not fix”
Red Hat OpenShift Container Platform 4 jenkins
affected: no fix available
Red Hat Cryostat 2 jenkins Red Hat Node HealthCheck Operator jenkins Red Hat OpenShift Developer Tools and Services jenkins
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 22 mo ago (2025-01-02)

Exploit prediction

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
GitHub	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
OSV	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.main:jenkins-core	<2.400	2.400
bitnami	jenkins	<2.401.1	2.401.1

Affected products

Jenkins Project Jenkins

Classification

Weakness

CWE-352 Cross-Site Request Forgery

Technology feeds

Jenkins rss critical rss

References

jenkins.io /security/advisory/2023-06-14/#SECURITY-3135
vendor-advisory, web, advisory
openwall.com /lists/oss-security/2023/06/14/5
web, mailing-list, third-party-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2023-35141
advisory, web
github.com /CVEProject/cvelist/blob/f37e157216b8e5e64a6db80b7b68bde0088277fe/2023/35xxx/CVE-2023-35141
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary