What is CVE-2026-25890?

CVE-2026-25890 is a high-severity vulnerability in Filebrowser, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 8.1/10. Published 2026-02-09.

How severe is CVE-2026-25890?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Filebrowser

CVE-2026-25890

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Prior to 2.57.1, an authenticated user can bypass the application's "Disallow" file path rul…

EPSS: 0.000 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Filebrowser — versions < 2.57.2

Weakness classification (CWE)

References

https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4mh3-h929-w968 (x_refsource_CONFIRM)
https://github.com/filebrowser/filebrowser/commit/489af403a19057f6b6b4b1dc0e48cbb26a202ef9 (x_refsource_MISC)
https://github.com/filebrowser/filebrowser/releases/tag/v2.57.1 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-25890?: CVE-2026-25890 is a high-severity vulnerability in Filebrowser, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 8.1/10. Published 2026-02-09.
How severe is CVE-2026-25890?: High severity. CVSS v3 base score is 8.1 out of 10.