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CVE-2025-47793 Details

Description

Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to 30.0.2 and 29.0.9, and Nextcloud Groupfolders app prior to 18.0.3, 17.0.5, and 16.0.11, the absence of quota checking on attachments allowed logged-in users to upload files exceeding the group folder quota. Nextcloud Server versions 30.0.2 and 29.0.9, Nextcloud Enterprise Server versions 30.0.2, 29.0.9, or 28.0.12, and Nextcloud Groupfolders app 18.0.3, 17.0.5, and 16.0.11 fix the issue. No known workarounds are available.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/nextcloud/groupfolders/pull/3328	[email protected]	Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qqgg-hhfq-vhww	[email protected]	Third Party Advisory
https://github.com/nextcloud/server/pull/48623	[email protected]	Patch
https://hackerone.com/reports/2713272	[email protected]	Permissions Required

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-770	Allocation of Resources Without Limits or Throttling	[email protected]

Affected Products

Product	Versions
nextcloud group folders	>= 16.0.0, < 16.0.11 >= 17.0.0, < 17.0.5 >= 18.0.0, < 18.0.3
CPE cpe:2.3:a:nextcloud:group_folders:::::::: Remediation No remediation found in references.
nextcloud nextcloud server	>= 28.0.0, < 28.0.12 >= 29.0.0, < 29.0.9 >= 30.0.0, < 30.0.2
CPE cpe:2.3:a:nextcloud:nextcloud_server:::::enterprise:::* cpe:2.3:a:nextcloud:nextcloud_server:::::-:::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Sep 8, 2025	Initial Analysis	[email protected]
May 16, 2025	New CVE Received	[email protected]