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...

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-2026-48777

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...

CVE-2026-48777 FileBrowser Quantum: Path Traversal in public share PATCH allows file ops outside shared directory

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...

CVE-2026-48777 FileBrowser Quantum: Path Traversal in public share PATCH allows file ops outside shared directory

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...

CVE-2026-48777 FileBrowser Quantum: Path Traversal in public share PATCH allows file ops outside shared directory

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...

CVE-2026-48777

CVE-2026-48777 — FileBrowser Quantum has a path-traversal in the public share PATCH endpoint. Versions prior to 1.3.2-stable, 1.4.0-beta, and 1.4.1-beta allow an attacker with a public share link that has AllowModify=true to move, copy, or rename files outside the share root by abusing publicPatc...

CVE-2026-48777: Improper Limitation of a Pathname to a Restricted Directory

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...

FileBrowser Quantum Path Traversal

The vulnerability of the FileBrowser Quantum file manager is related to an incorrect limitation on the path name for the restricted access directory. Exploiting this vulnerability could allow a remote attacker to delete any files from the system...

PT-2026-47627

Name of the Vulnerable Software and Affected Versions FileBrowser Quantum versions prior to 1.3.3-stable FileBrowser Quantum versions prior to 1.4.2-beta Description Path Traversal is possible through the publicPatchHandler function in backend/http/public.go. The issue occurs because the software...

FileBrowser Quantum: unauthenticated user share share info

Impact Some sensitive info -- such as source and path can get exposed. Patches Update to the latest version Workarounds no...

Cross-site Scripting (XSS)

FileBrowser Quantum is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper escaping of user-controlled share metadata fields when rendered in HTML using text/template, which allows an attacker to inject and execute malicious scripts when users visit a shared URL...

CVE-2026-44542

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-stable and 1.3.9-beta, attacker-controlled path input is joined with a trusted base path prior to sanitization, allowing traversal sequences e.g., ../ to escape the intended shared directory. As a result, an...

EUVD-2026-30344

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-stable and 1.3.9-beta, attacker-controlled path input is joined with a trusted base path prior to sanitization, allowing traversal sequences e.g., ../ to escape the intended shared directory. As a result, an...

CVE-2026-44542 FileBrowser Quantum: Unauthenticated Path Traversal in Public Share Delete Allows Arbitrary File Deletion

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-stable and 1.3.9-beta, attacker-controlled path input is joined with a trusted base path prior to sanitization, allowing traversal sequences e.g., ../ to escape the intended shared directory. As a result, an...

CVE-2026-44542

CVE-2026-44542 affects FileBrowser Quantum. An attacker-controlled path input is joined with a trusted base path before sanitization, enabling path traversal (e.g., ../) to escape the shared directory. An unauthenticated attacker with a valid public share hash that has delete permissions can dele...