Missing permission checks in Jenkins Warnings Next Generation Plugin allow listing workspace contents

published 2021-03-18 5 y ago modified 2026-06-17 4 mo ago also GHSA-7j3x-xm4j-jfj7 , EUVD-2022-3017

cvss: 4.3; version 3.1, NVD
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

Jenkins Warnings Next Generation Plugin 8.4.4 and earlier does not perform a permission check in methods implementing form validation, allowing attackers with Item/Read permission but without Item/Workspace or Item/Configure permission to check whether attacker-specified file patterns match workspace contents.

Patch / fix

fixed in 2

maven io.jenkins.plugins:warnings-ng 8.5.0
Jenkins project Jenkins Warnings Next Generation Plugin 8.4.3.1

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
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N
GitHub	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	io.jenkins.plugins:warnings-ng	<8.5.0	8.5.0

Affected products

Jenkins project Jenkins Warnings Next Generation Plugin

Classification

Weakness

CWE-862 Missing Authorization

References

jenkins.io /security/advisory/2021-03-18/#SECURITY-2041
web, vendor-advisory
openwall.com /lists/oss-security/2021/03/18/5
mailing-list, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2021-21626
advisory
github.com /jenkinsci/warnings-ng-plugin
package

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