CVE-2026-46410 FileBrowser Quantum: unauthenticated user share share info
Unauthenticated attackers can access sensitive share information, including source and path details, in FileBrowser Quantum.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-46410?
CVE-2026-46410 is a high-severity vulnerability in gtsteffaniak filebrowser, published on 20 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available.
Weakness: CWE-200
Which versions are affected by CVE-2026-46410?
6 open source packages ship an affected version, including github.com/gtsteffaniak/filebrowser and github.com/gtsteffaniak/filebrowser/backend.
| Package | Affected | Fixed in |
|---|---|---|
github.com/gtsteffaniak/filebrowser Go | All versions | 1.2.1-stable.0.20260514154726-1802e1281135 |
github.com/gtsteffaniak/filebrowser Go | All versions | 1.2.1-stable.0.20260514154726-1802e1281135 |
github.com/gtsteffaniak/filebrowser Go | All versions | 1.2.1-stable.0.20260514154726-1802e1281135 |
github.com/gtsteffaniak/filebrowser/backend Go | All versions | 0.0.0-20260514154726-1802e1281135 |
github.com/gtsteffaniak/filebrowser/backend Go | All versions | 0.0.0-20260514154726-1802e1281135 |
github.com/gtsteffaniak/filebrowser/backend Go | All versions | 0.0.0-20260514154726-1802e1281135 |
How do I fix CVE-2026-46410?
Upgrade github.com/gtsteffaniak/filebrowser to 1.2.1-stable.0.20260514154726-1802e1281135 or later.
Is CVE-2026-46410 being exploited?
There is no known exploitation of CVE-2026-46410 in the wild and no public exploit code.
Sources
Also known as GHSA-3jmg-p96m-m328, GO-2026-5089.