Vulnerability · Published Mar 10, 2026 · Assigned by GitHub_M
CVE-2026-30933FileBrowser Quantum Incomplete Remediation of CVE-2026-27611: Password-Protected Share Bypass via /public/api/share/info
High 7.5
In plain English
A high-severity information exposure in filebrowser from gtsteffaniak. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/gtsteffaniak/filebrowser/backend | 0.0.0-20260307130210-09713b32a5f6 | GHSA-525j-95gf-766f |
| Go | github.com/gtsteffaniak/filebrowser/backend | 0.0.0-20260307130210-09713b32a5f6 | GO-2026-4659 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| gtsteffaniak | filebrowser | >= 1.3.0-beta, < 1.3.1-beta>= 1.2.6-beta, < 1.2.2-stable= 1.1.3-stable |
Weakness: CWE-200, CWE-306, CWE-602 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N