MEDIUMCVSS 4.3EPSS 0.2%

CVE-2026-53439

Jenkins exposes other users' timezone and view names to users with Overall/Read permission

Published: 2026-06-10
Modified: 2026-08-13
EPSS percentile: 14%
Aliases: GHSA-g28p-6mcc-v4rv
Sources: github-advisory

Summary

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".

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
Maven	org.jenkins-ci.main:jenkins-core	—	2.555.3, 2.568

Remediation: Upgrade to 2.555.3 or later.

References

https://github.com/advisories/GHSA-g28p-6mcc-v4rv

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.