CVE-2026-54096

File Browser exposes a vulnerability: an authenticated user can create a public share for a path that does not yet exist, and that share becomes valid later when a file is created at that path, potentially exposing future files via GET /api/public/dl/. The issue is triggered by POST /api/share/, ...

CVE-2026-54096 File Browser: Improper Access Control Occurs via Pre-Created Public Share for a Non-existent Path

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.7, POST /api/share/ accepts an authenticated request for an arbitrary path and stores a public share record without checking whether the target fi...