Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 30.0.0, < 30.0.9 |
Related Weaknesses (CWE)
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-ww9m-fPatchVendor Advisory
- https://github.com/nextcloud/server/commit/7cc005c43c72bc384848cf8cb851895827c41Patch
- https://github.com/nextcloud/server/pull/50992Issue Tracking
- https://hackerone.com/reports/2890071Issue TrackingVendor Advisory
FAQ
What is CVE-2025-66552?
CVE-2025-66552 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 n...
How severe is CVE-2025-66552?
CVE-2025-66552 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-66552?
Check the references section above for vendor advisories and patch information. Affected products include: Nextcloud Nextcloud Server.