CVE-2026-73612 File Browser before v2.63.22 Authorization Bypass via Recursive Operations
Authenticated users can bypass path-based access controls to read, modify, or delete restricted files via recursive operations on parent directories.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-73612?
CVE-2026-73612 is a high-severity missing authorization vulnerability in filebrowser, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
File Browser before v2.63.22 fails to validate access rules for descendants during recursive copy, rename, and delete operations, allowing authenticated users to bypass path-based access controls. Attackers can copy, rename, or delete denied files by operating on their allowed parent directory, defeating rule-based isolation for confidentiality and integrity.
Weakness: CWE-639
Which versions are affected by CVE-2026-73612?
How do I fix CVE-2026-73612?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-73612 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-73612 exists.
Sources
Also known as GHSA-77x8-73f4-5485, GHSA-wx2x-g9fw-53fc, MINI-2jwc-w336-v8j4, MINI-v345-2fgj-qj8g.