{"id":"CVE-2026-53439","aliases":["BIT-jenkins-2026-53439","GHSA-g28p-6mcc-v4rv"],"url":"https://o3.security/vulnerability/CVE-2026-53439","summary":"Jenkins exposes other users' timezone and view names to users with Overall/Read permission","details":"Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names of other users' \"My Views\".","published":"2026-06-10T14:16:36.893Z","modified":"2026-08-13T21:10:45.756116406Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"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":null,"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3713"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-13T21:10:45.756116406Z"}}