CVE-2026-54094

CVE-2026-54094 affects the File Browser project. Prior to version 2.63.14, HTTP handlers can follow symlinks inside a scoped user’s directory, allowing read, write, or public-share actions to target files outside the user’s intended scope via two patterns: (1) a final-path symlink escaping the sc...

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-2026-54094 File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope

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-2026-54096

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.7, POST /api/share/ accepts an authenticated request for an arbitrary path and stores a public share record without checking whether the target fi...

CVE-2026-54096

File Browser exposes a vulnerability: an authenticated user can create a public share for a path that does not yet exist, and that share becomes valid later when a file is created at that path, potentially exposing future files via GET /api/public/dl/. The issue is triggered by POST /api/share/, ...

EUVD-2026-39502

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.7, POST /api/share/ accepts an authenticated request for an arbitrary path and stores a public share record without checking whether the target fi...

CVE-2026-54096 File Browser: Improper Access Control Occurs via Pre-Created Public Share for a Non-existent Path

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.7, POST /api/share/ accepts an authenticated request for an arbitrary path and stores a public share record without checking whether the target fi...

CVE-2026-54096 File Browser: Improper Access Control Occurs via Pre-Created Public Share for a Non-existent Path

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.7, POST /api/share/ accepts an authenticated request for an arbitrary path and stores a public share record without checking whether the target fi...

CVE-2026-55667 File Browser: Out-of-scope file deletion by a Create-only scoped user via symlink-following RemoveAll in upload failure-cleanup

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-2026-55667 File Browser: Out-of-scope file deletion by a Create-only scoped user via symlink-following RemoveAll in upload failure-cleanup

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-2026-55667 File Browser: Out-of-scope file deletion by a Create-only scoped user via symlink-following RemoveAll in upload failure-cleanup

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-2026-55667

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-2026-55667

File Browser CVE-2026-55667 allows a scoped, non-admin user with only Create permission to delete files outside their scope during failed-upload cleanup. The issue stems from ScopedFs.RemoveAll bypassing the symlink guard that other methods enforce, with the direct-upload cleanup path invoking Re...

PT-2026-52539

Name of the Vulnerable Software and Affected Versions File Browser versions prior to 2.63.16 Description A scoped, non-admin user with only Create permissions can delete arbitrary files outside their assigned scope, including other tenants' data and the application database. This occurs during th...

PT-2026-52536

Name of the Vulnerable Software and Affected Versions File Browser versions prior to 2.63.6 Description The Hook Authentication feature allows administrators to delegate login verification to an external shell command. User-supplied credentials, specifically the username and password variables, a...

GO-2026-5055 File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope in github.com/filebrowser/filebrowser

File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope in github.com/filebrowser/filebrowser...

EUVD-2026-37207

FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable, 1.4.0-beta and 1.4.1-beta are vulnerable to Path Traversal through the publicPatchHandler in backend/http/public.go which joins user-controlled fromPath and toPath body fields with the trusted...

GHSA-8C9Q-7855-WFXQ File Browser has a Command Execution Allowlist Bypass via Shell Metacharacter Injection

!NOTE This feature has been disabled by default for all installations from v2.33.8 onwards, including for existent installations. To exploit this vulnerability, the instance administrator must turn on a feature and ignore all the warnings about known vulnerabilities. We're publishing this new...

File Browser has a Command Execution Allowlist Bypass via Shell Metacharacter Injection

!NOTE This feature has been disabled by default for all installations from v2.33.8 onwards, including for existent installations. To exploit this vulnerability, the instance administrator must turn on a feature and ignore all the warnings about known vulnerabilities. We're publishing this new...

GHSA-GXJX-7M74-HCQ8 File Browser: FilePath traversal in download-as-zip/tar via Windows-style backslash separators in stored filenames

Summary 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 backslashes \ is only a path separator on Windows. A file whose name contains Windows-style traversal ......\evil.txt is accepted by the resource...