CVE-2026-25890 — Use of Incorrectly-Resolved Name or Reference in Filebrowser
Severity
8.1HIGHNVD
EPSS
0.0%
top 98.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 9
Latest updateFeb 17
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, an authenticated user can bypass the application's "Disallow" file path rules by modifying the request URL. By adding multiple slashes (e.g., //private/) to the path, the authorization check fails to match the rule, while the underlying filesystem resolves the path correctly, granting unauthorized access to restricted files. This vuln…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:NExploitability: 2.8 | Impact: 5.2
Affected Packages3 packages
Patches
🔴Vulnerability Details
4OSV▶
File Browser has a Path-Based Access Control Bypass via Multiple Leading Slashes in URL in github.com/filebrowser/filebrowser↗2026-02-17
GHSA
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OSV
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CVEList
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