CVE-2025-66552
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Nextcloud Server
PublishedDec 5, 2025
First seenDec 5, 2025
Weakness typeCWE-778CWE-778
How to fix
Update
- nextcloud nextcloud_server30.0.9, 31.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | 30.0.0 ≤ v < 30.0.9, 31.0.0 ≤ v < 31.0.1 | 30.0.9, 31.0.1 |
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