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-2026-54094 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-2026-54094

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

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: 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...

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 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/, ...

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...

CVE-2026-54091: Incorrect Authorization

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-2026-54090: Improper Neutralization of Special Elements used in a Command

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-2026-54092: Improper Validation of Specified Quantity in Input

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...

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...

CVE-2026-54089: Improper Authentication

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...