CVE-2025-65963: Humhub Cfiles

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Files is a module for managing files inside spaces and user profiles. Prior to versions 0.16.11 and 0.17.2, insufficient authorization checks allow non-member users to create new folders, up- and download files as a ZIP archive in public spaces. Private spaces are not affected. This issue has been patched in versions 0.16.11 and 0.17.2.

Affected products

• Humhub Cfiles: before 0.16.11 (fixed in 0.16.11); from 0.17.0, before 0.17.2 (fixed in 0.17.2)

Published 2025-11-26. Last modified 2026-06-17.