CVE-2025-65963 CFiles Unauthorized Folder/ZIP Access in Public Spaces
Non-member users can create folders and upload/download ZIP archives in public spaces due to insufficient authorization checks in the HumHub CFiles plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-65963?
CVE-2025-65963 is a medium-severity missing authorization vulnerability in humhub cfiles, published on 25 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2025-65963?
How do I fix CVE-2025-65963?
No fix has been published for CVE-2025-65963 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-65963 being exploited?
There is no known exploitation of CVE-2025-65963 in the wild and no public exploit code.
Sources
Also known as GHSA-rv2x-7qwp-2hf4.