CVE-2026-54088

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, the Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplie...

CVE-2026-54089

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication auth.method=proxy, any unauthenticated attacker who can reach the server...

GO-2026-5250 File Browser has a Command Execution Allowlist Bypass via Shell Metacharacter Injection in github.com/filebrowser/filebrowser

File Browser has a Command Execution Allowlist Bypass via Shell Metacharacter Injection in github.com/filebrowser/filebrowser...

GO-2026-5159 File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix in github.com/filebrowser/filebrowser

File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix in github.com/filebrowser/filebrowser...

GO-2026-5089 FileBrowser Quantum: unauthenticated user share share info in github.com/gtsteffaniak/filebrowser

FileBrowser Quantum: unauthenticated user share share info in github.com/gtsteffaniak/filebrowser...

CVE-2026-54090

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.33.8, when a shell interpreter is configured e.g. /bin/sh -c, the command allowlist can be bypassed through shell metacharacters. The allowlist...

CVE-2026-54090 File Browser: Command Allowlist Bypass via Shell Metacharacter Injection

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.33.8, when a shell interpreter is configured e.g. /bin/sh -c, the command allowlist can be bypassed through shell metacharacters. The allowlist...

CVE-2026-54090 File Browser: Command Allowlist Bypass via Shell Metacharacter Injection

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.33.8, when a shell interpreter is configured e.g. /bin/sh -c, the command allowlist can be bypassed through shell metacharacters. The allowlist...

CVE-2026-54090

Summary (CVE-2026-54090) : File Browser before version 2.33.8 is vulnerable to a command allowlist bypass when a shell interpreter is configured (e.g., /bin/sh -c). The allowlist checks only the first token, but the full raw input is passed to the shell, allowing metacharacters (semicolon, pipe, ...

CVE-2026-54088

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, the Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplie...

CVE-2026-54088

File Browser (web UI) before version 2.63.6 is affected by a pre-authentication RCE. The Hook Authentication feature interpolates user-supplied credentials into a shell command using os.Expand without sanitization, enabling unauthenticated remote attackers to inject shell metacharacters in the lo...

CVE-2026-54088 File Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE)

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, the Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplie...

CVE-2026-54088 File Browser: Command Injection via Authentication Hook Shell Substitution (Pre-Authentication RCE)

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, the Hook Authentication feature in File Browser allows administrators to delegate login verification to an external shell command. User-supplie...

CVE-2026-54089 File Browser: Authentication Bypass via Proxy Auth Header Forgery

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication auth.method=proxy, any unauthenticated attacker who can reach the server...

CVE-2026-54089

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication auth.method=proxy, any unauthenticated attacker who can reach the server...

CVE-2026-54089 File Browser: Authentication Bypass via Proxy Auth Header Forgery

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Starting with 2.0.0-rc.1, when FileBrowser is configured with proxy authentication auth.method=proxy, any unauthenticated attacker who can reach the server...

CVE-2026-54089

CVE-2026-54089 impacts File Browser when configured with proxy authentication (auth.method=proxy). The issue allows an unauthenticated attacker who can reach the server to impersonate any user—including an administrator—by sending a single forged HTTP header. No credentials are required. Addition...

CVE-2026-54091

CVE-2026-54091 : File Browser public shares allow information disclosure due to incorrect access control when rebasing the owner’s filesystem root for public share paths. Before 2.63.6, the public share handler sets d.user.Fs to a BasePathFs rooted at the shared directory and then checks access w...

CVE-2026-54092

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, unchecked passwords maximums allow for an arbitrarily large password to be passed into the login API. This spikes CPU and memory, and after...

CVE-2026-54092 File Browser: DoS Vulnerability on Public Login API

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, unchecked passwords maximums allow for an arbitrarily large password to be passed into the login API. This spikes CPU and memory, and after...