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...

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 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...

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...

PT-2026-60214

Name of the Vulnerable Software and Affected Versions File Browser versions 2.63.6 through 2.63.16 Description The archive builder improperly handles filenames by using strings.ReplaceAllnameInArchive, "", "/". This allows a user with upload permissions to create a file with backslashes in the...

PT-2026-60213

Name of the Vulnerable Software and Affected Versions File Browser versions prior to 2.63.17 Description When Signup and CreateUserDir are both set to true, the software uses the cleanUsername function to build new user scopes. A many-to-one normalization flaw allows different usernames for...

OS Command Injection

File Browser is vulnerable to OS Command Injection. The vulnerability is due to the Hook Authentication feature interpolating user-supplied username and password into an external shell command without proper sanitization, which allows an unauthenticated remote attacker to inject shell...

CVE-2026-54089

creationtimestamp| type| source ---|---|--- 2026-07-10 20:16:04+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mqcxoiwmmg2z 2026-07-10 20:35:14+00:00| published-proof-of-concept| https://github.com/filebrowser/filebrowser/security/advisories/GHSA-xqp3-jq6g-x3qm 2026-07-11...

File Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE)

Overview The Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplied credentials username and password are interpolated into this command string using os.Expand without sanitization. An unauthenticated remote...

EUVD-2026-39510

File Browser: Command Injection via Authentication Hook Shell Substitution Pre-Authentication RCE...

GHSA-M93H-4HW7-5QCM File Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE)

Overview The Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplied credentials username and password are interpolated into this command string using os.Expand without sanitization. An unauthenticated remote...

EUVD-2026-39508

File Browser: Authentication Bypass via Proxy Auth Header Forgery...

CVE-2026-55668 File Browser: ScopedFs follows a dangling symlink on write, letting a scoped user create files outside their scope

File Browser provides a web file managing interface. Prior to 2.63.16, ScopedFs validates the nearest existing ancestor of a dangling symlink as in scope and then follows the symlink during file creation, allowing an authenticated user with Create and Modify permissions to create...

CVE-2026-55668 File Browser: ScopedFs follows a dangling symlink on write, letting a scoped user create files outside their scope

File Browser provides a web file managing interface. Prior to 2.63.16, ScopedFs validates the nearest existing ancestor of a dangling symlink as in scope and then follows the symlink during file creation, allowing an authenticated user with Create and Modify permissions to create...

CVE-2026-55668

File Browser provides a web file managing interface. Prior to 2.63.16, ScopedFs validates the nearest existing ancestor of a dangling symlink as in scope and then follows the symlink during file creation, allowing an authenticated user with Create and Modify permissions to create...

CVE-2026-55668 File Browser: ScopedFs follows a dangling symlink on write, letting a scoped user create files outside their scope

File Browser provides a web file managing interface. Prior to 2.63.16, ScopedFs validates the nearest existing ancestor of a dangling symlink as in scope and then follows the symlink during file creation, allowing an authenticated user with Create and Modify permissions to create...

CVE-2026-55668

The CVE affects File Browser’s ScopedFs component prior to version 2.63.16. An authenticated user with Create and Modify permissions can trigger ScopedFs to validate the nearest existing ancestor of a dangling symlink and then follow the symlink during file creation, allowing attacker‑controlled ...

PT-2026-56466

Name of the Vulnerable Software and Affected Versions File Browser versions prior to 2.63.16 Description An issue exists in the ScopedFs component where the system validates the nearest existing ancestor of a dangling symlink as being within scope and subsequently follows that symlink during file...