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Change History

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, File Browser builds new user scopes from usernames passed through cleanUsername() when Signup=true and CreateUserDir=true, but the many-to-one normalization can collapse usernames such as team/one, team one, and team-one to the same home directory without checking whether the resulting scope is already taken, allowing a second registrant to gain full read and write access to another user's files. This issue is fixed in version 2.63.17.

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-647

CWE-706

https://github.com/filebrowser/filebrowser/commit/883a36f02fcb69566a8628cb47f18fdc73348387

https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17

https://github.com/filebrowser/filebrowser/security/advisories/GHSA-7rc3-g7h6-22m7

[{"vendor":"filebrowser","product":"filebrowser","versions":[{"version":"< 2.63.17","status":"affected"}]}]