CVE-2026-103988 FileRise renameFolder omits destination-parent authorization
Authenticated users can move folders into unauthorized locations due to missing destination parent authorization in FileRise.
- 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-2026-103988?
CVE-2026-103988 is a medium-severity missing authorization vulnerability in error311 FileRise, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.23.0, FileRise /api/folder/renameFolder.php authorizes an authenticated, non-folder-scoped, non-administrator with a valid CSRF token against the source folder but does not independently authorize a changed destination parent. A qualifying user who owns a source folder can move that tree beneath another user's existing folder or into the root namespace, and the operation rekeys the moved ownership and ACL records to the new path. The destination must be unused and existing victim files cannot be overwritten. Distinct pre-fix errors reveal whether a specifically guessed destination path exists, but disclose no directory listing or file contents. This issue is fixed in version 3.23.0.
Which versions are affected by CVE-2026-103988?
How do I fix CVE-2026-103988?
No fix has been published for CVE-2026-103988 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-2026-103988 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-103988 exists.
Sources
Also known as GHSA-hhc9-q8vh-95p8.