GHSA-mw82-xcg6-gx79

Jenkins: Missing permission check allows unauthorized cancellation of queue items

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-53438

Packages

Ecosystem	Package	Affected	Fixed in
Maven	org.jenkins-ci.main:jenkins-core	< 2.555.3	2.555.3
Maven	org.jenkins-ci.main:jenkins-core	>= 2.556, < 2.568	2.568

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

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