Nextcloud Groupfolders - Vulnerability in Shared Folder File Management
CVE-2025-66545

3.5LOW

Key Information:

Vendor

Nextcloud
Status
Security-advisories
Vendor
CVE Published:
5 December 2025

What is CVE-2025-66545?

In Nextcloud Groupfolders, prior to specified versions, the system incorrectly allowed users with read-only access to restore files from the trash bin. This oversight compromises data integrity and security within shared folders, enabling unauthorized restoration of potentially sensitive files. The issue has been resolved in later versions, ensuring that only users with the proper permissions can perform such actions.

Affected Version(s)

security-advisories < 14.0.11 < 14.0.11

security-advisories >= 15.0.0-beta1, < 15.3.12 < 15.0.0-beta1, 15.3.12

security-advisories >= 16.0.0, < 16.0.15 < 16.0.0, 16.0.15

References

https://github.com/nextcloud/security-advisories/security...
x_refsource_CONFIRM
https://github.com/nextcloud/groupfolders/issues/4041
x_refsource_MISC
https://github.com/nextcloud/groupfolders/pull/4076
x_refsource_MISC

CVSS V3.1

Score:
3.5
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.