MEDIUM 4.3 Maven
Jenkins exposes other users' timezone and view names to users with Overall/Read permission
GHSA-g28p-6mcc-v4rv · BIT-jenkins-2026-53439 · CVE-2026-53439
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Description
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".
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-53439
- WEB https://github.com/jenkinsci/jenkins/commit/0586de425598497cfb4dcdafa5007e507a440a77
- WEB https://github.com/jenkinsci/jenkins/commit/98fe05f1753f664ffddd295a03492684b74e1950
- PACKAGE https://github.com/jenkinsci/jenkins
- WEB https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3713
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