{"id":"CVE-2026-54910","revision":"1e002bae16dd42afae6301b2d8d1226a","records":[{"revision":"1e002bae16dd42afae6301b2d8d1226a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-54910","aliases":[],"title":"FileBrowser Quantum's path traversal issue in subtitle handler allows any authenticated user to read arbitrary files","description":"FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.4.3-beta, the `subtitlesHandler` endpoint (`GET /api/media/subtitles`) accepts two user-controlled query parameters: `path` and `name`, both of which are used in filesystem operations without sanitization, creating two independent path traversal vectors. The primary vector is the `path` parameter: it is passed directly to `idx.GetRealPath()` without calling `SanitizeUserPath()`, allowing an attacker to escape the storage root and set `parentDir` to any directory on the host. No existing anchor file is required.  The secondary vector is the `name` parameter: it is joined with `parentDir` via `filepath.Join(parentDir, name)` without stripping directory components, allowing traversal relative to any resolved `parentDir`. Any authenticated user (regardless of role or permissions) can exploit either vector to read any text file readable by the server process, including `/etc/passwd`, SSH keys, database credentials, and JWT signing keys. Version 1.4.3-beta patches the issue.","state":0,"publishedAt":"2026-07-20T14:20:21.412+00:00","modifiedAt":"2026-07-20T14:52:10.145+00:00","affected":[{"ecosystem":"Vendor product","name":"filebrowser","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"gtsteffaniak\",\n                    \"product\": \"filebrowser\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.4.3-beta\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","score":7.7,"severity":"HIGH"}],"references":["https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-vvp7-h4fj-m28w","https://github.com/gtsteffaniak/filebrowser/commit/f3f4bbe80cb569d664174aea874d7bfa008c3b5a"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-54910","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-54910","identifiers":["CVE-2026-54910"]},"retained":false,"historicalAffected":[]}],"coverage":[]}