Bug 2463843 (CVE-2026-38993)

Summary: CVE-2026-38993 Cockpit: Cockpit: Arbitrary file write via directory traversal in Buckets component
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Cockpit. This vulnerability, identified as a directory traversal, allows authenticated attackers to write files to arbitrary locations within the uploads directory or overwrite existing assets with malicious versions. The exploitation occurs via the Buckets component. This could lead to unauthorized modification of data and potential system compromise.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2464086    
Bug Blocks:    

Description OSIDB Bzimport 2026-04-29 16:01:16 UTC
Cockpit 2.13.5 and earlier is vulnerable to directory traversal via the Buckets component. This vulnerability allows authenticated attackers to write files to arbitrary locations within the uploads directory or overwrite assets with malicious versions.