What is GHSA-mw82-xcg6-gx79?

GHSA-mw82-xcg6-gx79 is a security advisory published by GitHub Security Advisories with Medium severity. Jenkins: Missing permission check allows unauthorized cancellation of queue items

Which CVE IDs does GHSA-mw82-xcg6-gx79 cover?

GHSA-mw82-xcg6-gx79 covers the following CVE IDs: CVE-2026-53438. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mw82-xcg6-gx79?

GHSA-mw82-xcg6-gx79 has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

Which products are affected by GHSA-mw82-xcg6-gx79?

GHSA-mw82-xcg6-gx79 affects 2 products, including: maven/org.jenkins-ci.main:jenkins-core:\u003c 2.555.3; maven/org.jenkins-ci.main:jenkins-core:\u003e= 2.556, \u003c 2.568.

GHSA-mw82-xcg6-gx79MediumCVSS 4.3

Jenkins: Missing permission check allows unauthorized cancellation of queue items

Vendor

GitHub Security Advisories

Published

June 10, 2026

Last Modified

August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-53438 →

📋 Description

A missing permission check in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allows attackers with Item/Cancel permission, but lacking Item/Read permission, to cancel queue items they do not have permission to view.

🎯 Affected products2

maven/org.jenkins-ci.main:jenkins-core:< 2.555.3
maven/org.jenkins-ci.main:jenkins-core:>= 2.556, < 2.568

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-53438
https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3712
https://github.com/jenkinsci/jenkins/commit/a154e1108f3170dc036ecbe6b2a89f164ff1554e
https://github.com/jenkinsci/jenkins/commit/d22d0916148a430dd308760641539d06c0d8a184
https://github.com/advisories/GHSA-mw82-xcg6-gx79