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Description

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, a case-sensitivity flaw in the password validation logic allows any authenticated user to change their password (or an admin to change any user's password) without providing the current password. By using Title Case field name "Password" instead of lowercase "password" in the API request, the current_password verification is completely bypassed. This enables account takeover if an attacker obtains a valid JWT token through XSS, session hijacking, or other means. This vulnerability is fixed in 2.57.1.

PUBLISHED Reserved 2026-02-06 | Published 2026-02-09 | Updated 2026-02-09 | Assigner GitHub_M




MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Problem types

CWE-178: Improper Handling of Case Sensitivity

Product status

< 2.57.1
affected

References

github.com/...rowser/security/advisories/GHSA-hxw8-4h9j-hq2r

github.com/...ommit/ff2f00498cff151e2fb1f5f0b16963bf33c3d6d4

github.com/filebrowser/filebrowser/releases/tag/v2.57.1

cve.org (CVE-2026-25889)

nvd.nist.gov (CVE-2026-25889)

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