What is CVE-2026-30933?

CVE-2026-30933 is a high-severity vulnerability in Gtsteffaniak Filebrowser, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-03-10.

How severe is CVE-2026-30933?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Gtsteffaniak Filebrowser

CVE-2026-30933

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/shar…

Vulnerability class: Information Disclosure

EPSS: 0.001 (28.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Gtsteffaniak Filebrowser — versions >= 1.3.0-beta, < 1.3.1-beta, >= 1.2.6-beta, < 1.2.2-stable, = 1.1.3-stable

Weakness classification (CWE)

References

https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-525j-95gf-766f (x_refsource_CONFIRM)
https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.2.2-stable (x_refsource_MISC)
https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.3.1-beta (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-30933?: CVE-2026-30933 is a high-severity vulnerability in Gtsteffaniak Filebrowser, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-03-10.
How severe is CVE-2026-30933?: High severity. CVSS v3 base score is 7.5 out of 10.