CVE-2025-66545
Last modified
CVE-2025-66545 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability is fixed in 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Group Folders | < 14.0.11 |
| Nextcloud | Group Folders | >= 15.0.0, < 15.3.12 |
| Nextcloud | Group Folders | >= 16.0.0, < 16.0.15 |
| Nextcloud | Group Folders | >= 17.0.0, < 17.0.14 |
| Nextcloud | Group Folders | >= 18.0.0, < 18.1.8 |
| Nextcloud | Group Folders | >= 19.0.0, < 20.1.2 |
References
- https://github.com/nextcloud/groupfolders/issues/4041Issue Tracking
- https://github.com/nextcloud/groupfolders/pull/4076Issue Tracking, Patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vrq-fhmf-c49mPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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