CVE-2026-54910

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.4.3-beta, the subtitlesHandler endpoint GET /api/media/subtitles accepts two user-controlled query parameters: path and name, both of which are used in filesystem operations without sanitization, creating two...

CVE-2026-54910

FileBrowser Quantum is vulnerable to a path traversal flaw in the subtitlesHandler endpoint (GET /api/media/subtitles) prior to v1.4.3-beta. The vulnerability arises from two user-controlled parameters, path and name, used in filesystem operations without sanitization. The path parameter is passe...

CVE-2026-54910 FileBrowser Quantum's path traversal issue in subtitle handler allows any authenticated user to read arbitrary files

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.4.3-beta, the subtitlesHandler endpoint GET /api/media/subtitles accepts two user-controlled query parameters: path and name, both of which are used in filesystem operations without sanitization, creating two...

CVE-2026-54685

FileBrowser Quantum exposes a timing-side-channel in the /api/auth/login endpoint prior to version 1.3.2-beta, allowing unauthenticated users to distinguish valid usernames from invalid ones via response-time differences (bcrypt path for valid usernames). A PoC demonstrates the attack, and the is...

CVE-2026-54685 FileBrowser Quantum has Username Enumeration via Authentication Timing Side-Channel

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.3.2-beta, the /api/auth/login authentication endpoint does not execute in constant time. When a non-existent username is supplied, the server returns a 401/403 response almost immediately. When a valid username...

CVE-2026-54685 FileBrowser Quantum has Username Enumeration via Authentication Timing Side-Channel

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.3.2-beta, the /api/auth/login authentication endpoint does not execute in constant time. When a non-existent username is supplied, the server returns a 401/403 response almost immediately. When a valid username...

CVE-2026-54685 FileBrowser Quantum has Username Enumeration via Authentication Timing Side-Channel

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.3.2-beta, the /api/auth/login authentication endpoint does not execute in constant time. When a non-existent username is supplied, the server returns a 401/403 response almost immediately. When a valid username...

CVE-2026-46410 FileBrowser Quantum: unauthenticated user share share info

FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available...

EUVD-2026-45952

FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available...

CVE-2026-46410 FileBrowser Quantum: unauthenticated user share share info

FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available...

CVE-2026-46410

FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available...

CVE-2026-46410

FileBrowser Quantum exposes sensitive share information (source and path) to unauthenticated users. Affected versions are prior to 1.3.2-stable and 1.4.1-beta. The issue is fixed in 1.3.2-stable and 1.4.1-beta. No public workarounds are documented in the provided sources. Remediation: upgrade to ...

CVE-2026-46410 FileBrowser Quantum: unauthenticated user share share info

FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available...

CVE-2026-54910: Improper Limitation of a Pathname to a Restricted Directory

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.4.3-beta, the subtitlesHandler endpoint GET /api/media/subtitles accepts two user-controlled query parameters: path and name, both of which are used in filesystem operations without sanitization, creating two...

CVE-2026-54685: Observable Timing Discrepancy

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to version 1.3.2-beta, the /api/auth/login authentication endpoint does not execute in constant time. When a non-existent username is supplied, the server returns a 401/403 response almost immediately. When a valid username...

CVE-2026-46410: Exposure of Sensitive Information to an Unauthorized Actor

FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable and 1.4.1-beta may leak some sensitive info, such as source and path. Versions 1.3.2-stable and 1.4.1-beta fix the issue. No known workarounds are available...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the DeleteWithPathPrefix process. An attacker can access unintended files by deleting a shared directory using a path with a trailing slash, which leaves a stale public share that may expose future content if...

Use of Non-Canonical URL Paths for Authorization Decisions

Overview github.com/filebrowser/filebrowser/v2/http is a web file browser. Affected versions of this package are vulnerable to Use of Non-Canonical URL Paths for Authorization Decisions in the cleanUsername process. An attacker can gain unauthorized access to another user's files by registering a...

Use of Non-Canonical URL Paths for Authorization Decisions

Overview Affected versions of this package are vulnerable to Use of Non-Canonical URL Paths for Authorization Decisions in the cleanUsername process. An attacker can gain unauthorized access to another user's files by registering a username that normalizes to the same home directory as an existin...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the DeleteWithPathPrefix process. An attacker can expose unintended contents by deleting a shared directory using a trailing-slash path and then recreating the directory, which causes the dormant public share...