Bug 2487548 (CVE-2026-53438)

Summary: CVE-2026-53438 jenkins: Jenkins: Unauthorized cancellation of queue items due to missing permission check
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. A missing permission check allows an attacker, who has 'Item/Cancel' permission but lacks 'Item/Read' permission, to cancel queue items they are not authorized to view. This could lead to unauthorized disruption of queued tasks within Jenkins.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-06-10 14:02:23 UTC
A missing permission check in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allows attackers with Item/Cancel permission, but lacking Item/Read permission, to cancel queue items they do not have permission to view.