CVE-2026-53439: Jenkins exposes other users' timezone and view names to users with Overall/Read permission

June 10, 2026 (updated August 13, 2026)

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

github.com/advisories/GHSA-g28p-6mcc-v4rv
github.com/jenkinsci/jenkins/commit/0586de425598497cfb4dcdafa5007e507a440a77
github.com/jenkinsci/jenkins/commit/98fe05f1753f664ffddd295a03492684b74e1950
nvd.nist.gov/vuln/detail/CVE-2026-53439
www.jenkins.io/security/advisory/2026-06-10/

Code Behaviors & Features

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