Bug 2419460 (CVE-2025-66552)

Summary: CVE-2025-66552 nextcloud-server: Nextcloud Server admin_audit does not log all actions on files in groupfolders
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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 path handling flaw has been discovered in Nextcloud. Incorrect path handling with groupfolders caused the admin_audit app to not properly log all actions on files and folders inside groupfolders.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2420187, 2420189, 2420191    
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Description OSIDB Bzimport 2025-12-05 17:02:16 UTC
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1, incorrect path handling with groupfolders caused the admin_audit app to not properly log all actions on files and folders inside groupfolders. This vulnerability is fixed in Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1.