CVE-2025-66545

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.

CVSS 3.1

4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-25)

CWE

CWE-707

Published

2025-12-05

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• nextcloud:group_folders

References

• https://github.com/nextcloud/groupfolders/commit/bbe87ebed8da23e9df4db637a76fbc8d36439d58
• https://github.com/nextcloud/groupfolders/issues/4041
• https://github.com/nextcloud/groupfolders/pull/4076
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vrq-fhmf-c49m

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