CVE-2025-47793

published 2025-05-16

CVE-2025-47793: 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…

Priority P3 35 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

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.

Affected

12 ranges

Vendor	Product	Version range	Fixed in
nextcloud	group_folders	>= 16.0.0 < 16.0.11	16.0.11
nextcloud	group_folders	>= 17.0.0 < 17.0.5	17.0.5
nextcloud	group_folders	>= 18.0.0 < 18.0.3	18.0.3
nextcloud	nextcloud_server	>= 28.0.0 < 28.0.12	28.0.12
nextcloud	nextcloud_server	>= 29.0.0 < 29.0.9	29.0.9
nextcloud	nextcloud_server	>= 30.0.0 < 30.0.2	30.0.2
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-770