GO-2026-5691 File Browser has a DoS Vulnerability via Public Login API in github.com/filebrowser/filebrowser

File Browser has a DoS Vulnerability via Public Login API in github.com/filebrowser/filebrowser...

CVE-2026-55667

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.16, a scoped, non-admin File Browser user holding only the Create permission can delete arbitrary files outside their scope other tenants' data, a...

CVE-2026-54093

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, filebrowser builds the download-as-zip / download-as-tar archive entry names with filepath.ToSlash, which on a Linux host is a no-op for...

CVE-2026-54094

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.14, it does not stop the HTTP file handlers from following symbolic links before they open, serve, write, share, or list a file. As a result, a...

CVE-2026-54091

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, File Browser's public share handlers rebase the share owner's filesystem root to the shared directory and then evaluate descendant paths agains...

CVE-2026-54097

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, a low-privileged authenticated user of filebrowser with create + delete permissions in their own isolated scope can silently destroy share-link...

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-2026-54089

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-2026-54088

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-2026-54090

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

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 (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-2026-54089

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-2026-54089 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-2026-54091

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: 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...

CVE-2026-54092

CVE-2026-54092 affects File Browser before v2.63.6, where the login API at /api/login does not enforce a maximum password length. An arbitrarily long password can be submitted, causing excessive CPU/memory usage and potential container/logs instability, with reports of Docker daemon errors (500) ...

CVE-2026-54097

Summary of CVE-2026-54097 (File Browser) : A low-privileged authenticated user with create/delete permissions within their own scope could trigger deletion of other users’ share links by performing a DELETE on a file whose logical path is a byte-prefix of another user’s share.Link.Path. The backe...

CVE-2026-54097 File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, a low-privileged authenticated user of filebrowser with create + delete permissions in their own isolated scope can silently destroy share-link...