What is CVE-2026-27611?

CVE-2026-27611 is a medium-severity vulnerability in Gtsteffaniak Filebrowser, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-02-25.

How severe is CVE-2026-27611?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Gtsteffaniak Filebrowser

CVE-2026-27611

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to versions 1.1.3-stable and 1.2.6-beta, when users share password-protected files, the recipient can completely bypass the password and still download the file. Thi…

Vulnerability class: Information Disclosure

EPSS: 0.003 (22.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Gtsteffaniak Filebrowser — versions < 1.1.3-stable, >= 1.2.0-beta, < 1.2.6-beta
Gtsteffaniak Filebrowser_quantum — versions 1.1.3

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27611?: CVE-2026-27611 is a medium-severity vulnerability in Gtsteffaniak Filebrowser, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-02-25.
How severe is CVE-2026-27611?: Medium severity. CVSS v3 base score is 6.5 out of 10.