FileBrowser Quantum's path traversal issue in subtitle handler allows any authenticated user to read arbitrary files

Summary 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...

CVE-2026-54910

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...