EUVD-2026-45953

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.3.2-beta, the /api/auth/login authentication endpoint does not execute in constant time. When a non-existent username is supplied, the server returns a 401/403 response almost immediately. When a valid username...

PT-2026-61605

Name of the Vulnerable Software and Affected Versions FileBrowser Quantum versions prior to 1.4.3-beta Description The subtitlesHandler endpoint GET /api/media/subtitles contains path traversal flaws due to insufficient sanitization of the path and name query parameters. The path parameter is...

GO-2026-5962 File Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE) in github.com/filebrowser/filebrowser

File Browser: Command Injection via Authentication Hook Shell Substitution Pre-Authentication RCE in github.com/filebrowser/filebrowser...

GO-2026-5966 File Browser: Authentication Bypass via Proxy Auth Header Forgery in github.com/filebrowser/filebrowser

File Browser: Authentication Bypass via Proxy Auth Header Forgery in github.com/filebrowser/filebrowser...

CVE-2026-62843

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAllnameInArchive, "", "/", which turns a POSIX filename such as ....\evil.sh into the...

CVE-2026-62685

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...

CVE-2026-62685 File Browser: Colliding username normalization gives two users the same home directory

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...

CVE-2026-62685 File Browser: Colliding username normalization gives two users the same home directory

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...

CVE-2026-62685

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...

CVE-2026-62685

The CVE affects File Browser prior to version 2.63.17. The issue arises in how user scopes are built from usernames via cleanUsername() when Signup=true and CreateUserDir=true: the many-to-one normalization can collapse usernames such as team/one, team one, and team-one to the same home directory...

CVE-2026-62685 File Browser: Colliding username normalization gives two users the same home directory

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...

CVE-2026-62843

CVE-2026-62843 affects File Browser (versions 2.63.6–2.63.16). The archive builder calls strings.ReplaceAll(nameInArchive, "\", "/"), which can transform a POSIX filename like ..\..\evil.sh into ../../evil.sh within the generated zip/tar. This enables a user with upload permissions to place a bac...

CVE-2026-62843 File Browser: Archive builder turns backslash filenames into path traversal (zip-slip)

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAllnameInArchive, "", "/", which turns a POSIX filename such as ....\evil.sh into the...

CVE-2026-62843 File Browser: Archive builder turns backslash filenames into path traversal (zip-slip)

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAllnameInArchive, "", "/", which turns a POSIX filename such as ....\evil.sh into the...

CVE-2026-62843 File Browser: Archive builder turns backslash filenames into path traversal (zip-slip)

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAllnameInArchive, "", "/", which turns a POSIX filename such as ....\evil.sh into the...

CVE-2026-62683 File Browser: Trailing-slash delete leaves a stale public share behind

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 can leave a public directory share behind when the shared directory is deleted through a path with a trailing slash because the...

CVE-2026-62683

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 can leave a public directory share behind when the shared directory is deleted through a path with a trailing slash because the...

EUVD-2026-44705

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 can leave a public directory share behind when the shared directory is deleted through a path with a trailing slash because the...

CVE-2026-62683 File Browser: Trailing-slash delete leaves a stale public share behind

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 can leave a public directory share behind when the shared directory is deleted through a path with a trailing slash because the...

CVE-2026-62683

File Browser (server-side) contains a vulnerability prior to version 2.63.17 where deleting a shared directory with a trailing slash can leave a stale public share behind. The issue arises because the cleanup path calls DeleteWithPathPrefix(file.Path, userID) while the Bolt backend queries the da...