CVE-2026-53439

Medium

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".

SeverityMedium

CVSS4.3

Exploit probability—

Product

Jenkins

PublishedJun 10, 2026

First seenJun 10, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

jenkins jenkins2.555.3, 2.568 or later
org.jenkins-ci.main:jenkins-core2.555.3, 2.568 or later

Vendor advisories

jenkins.io/security/advisory/2026-06-10/#SECURITY-3713

Affected products

Product	Affected versions	Fixed in
jenkins jenkins	v < 2.555.3, v < 2.568	2.555.3, 2.568
org.jenkins-ci.main:jenkins-coreMaven	v < 2.555.3, 2.556 ≤ v < 2.568	2.555.3, 2.568

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