CVE-2026-72839
CriticalCVSS 9.8Summary
filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.
Risk Assessment
The risk includes complete compromise of data stored in filebrowser, including unauthorized read, modification, and deletion of files by unauthenticated attackers.
Recommendation
It is recommended to update filebrowser to a patched version and disable self-signup or configure scope and permission restrictions for new accounts.
Original NVD description (English source)
filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.