FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, the remediation for CVE-2026-27611 is incomplete. Password protected shares still disclose tokenized downloadURL via /public/api/share/info.
This vulnerability is fixed in 1.3.1-beta and 1.2.2-stable.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 3
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Filebrowser Filebrowser
cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*
|
— |
<= 1.2.9
|
|
Filebrowser Filebrowser
cpe:2.3:a:filebrowser:filebrowser:1.2.1:stable:*:*:*:*:*:*
|
— | — |
|
Filebrowser Filebrowser
cpe:2.3:a:filebrowser:filebrowser:1.3.0:beta:*:*:*:*:*:*
|
— | — |
References 3
https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.2.2-stable
security-advisories@github.com
https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.1-beta
security-advisories@github.com
https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-525j-95gf-…
security-advisories@github.com