{"id":"CVE-2026-53438","aliases":["BIT-jenkins-2026-53438","GHSA-mw82-xcg6-gx79"],"url":"https://o3.security/vulnerability/CVE-2026-53438","summary":"Jenkins: Missing permission check allows unauthorized cancellation of queue items","details":"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.","published":"2026-06-10T14:16:36.793Z","modified":"2026-08-13T21:10:42.890120807Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"epss":{"score":0.00205,"percentile":0.10413,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.555.3"},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.568"}],"fix":{"url":"https://github.com/jenkinsci/jenkins/commit/a154e1108f3170dc036ecbe6b2a89f164ff1554e","label":"jenkinsci/jenkins@a154e11"},"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3712"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53438"},{"type":"WEB","url":"https://github.com/jenkinsci/jenkins/commit/a154e1108f3170dc036ecbe6b2a89f164ff1554e"},{"type":"WEB","url":"https://github.com/jenkinsci/jenkins/commit/d22d0916148a430dd308760641539d06c0d8a184"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/jenkins"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-13T21:10:42.890120807Z"}}