Home/CVE/Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.1
CVE

CVE-2025-66545

Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.1

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.

LOW · CVSS 3.5 EPSS 0.00022
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-707Improper Neutralization
▤

Affected Products & Versions

6
nextcloud group folders< 14.0.11
nextcloud group folders>= 15.0.0 and < 15.3.12
nextcloud group folders>= 16.0.0 and < 16.0.15
nextcloud group folders>= 17.0.0 and < 17.0.14
nextcloud group folders>= 18.0.0 and < 18.1.8
nextcloud group folders>= 19.0.0 and < 20.1.2
▣

Scoring & Timeline

3.5
LOW · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Dec 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/nextcloud/groupfolders/commit/bbe87ebed8da23e9df4db637a76fbc8d36439d58Patch
https://github.com/nextcloud/groupfolders/issues/4041Issue Tracking
https://github.com/nextcloud/groupfolders/pull/4076Issue TrackingPatch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vrq-fhmf-c49mPatchVendor Advisory
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