CVE-2026-25889
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/filebrowser/filebrowser/v2Go | < 2.57.1 | 2.57.1 |
Affected products
5cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:filebrowser:filebrowser:*:*:*:*:*:*:*:*range: <2.57.1
- (no CPE)range: < 2.57.1
- ghsa-coords3 versionspkg:golang/github.com/filebrowser/filebrowser/v2pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0
< 2.57.1+ 2 more
- (no CPE)range: < 2.57.1
- (no CPE)range: < 0.0.20260226T182644-150000.1.149.1
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
5- github.com/filebrowser/filebrowser/commit/ff2f00498cff151e2fb1f5f0b16963bf33c3d6d4nvdPatchWEB
- github.com/filebrowser/filebrowser/security/advisories/GHSA-hxw8-4h9j-hq2rnvdExploitMitigationVendor AdvisoryWEB
- github.com/advisories/GHSA-hxw8-4h9j-hq2rghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-25889ghsaADVISORY
- github.com/filebrowser/filebrowser/releases/tag/v2.57.1nvdProductRelease NotesWEB
News mentions
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