Bug 2487549 (CVE-2026-53439)

Summary: CVE-2026-53439 jenkins: Jenkins: Information Disclosure via Missing Permission Checks
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Jenkins. Missing permission checks allow an attacker with Overall/Read permission to determine other users' configured timezone. This vulnerability also enables the attacker to enumerate the view names of other users' "My Views", leading to information disclosure.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-06-10 14:02:28 UTC
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".