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...

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...

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...

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...

GHSA-239W-M3H6-CH8V File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope

Summary File Browser enforces per-user scope with afero.NewBasePathFsafero.NewOsFs, scope, set up in users/users.go. This blocks lexical ../ traversal, but 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...

GHSA-W5FM-68J4-FPC4 File Browser has a DoS Vulnerability via Public Login API

Summary Unchecked passwords maximums allow for an arbitrarily large password to be passed into the login API. This spikes CPU and memory, and after testing, crashes, heavily lags any container created, and has even made my docker daemon start to send errors with status code 500 even after the...

GHSA-3Q2P-72CJ-682C File Browser: Improper Access Control Occurs via Pre-Created Public Share for a Non-existent Path

Summary This is similar vulnrability of CVE-2026-0035, which was fixed in Android MediaProvider with high severity. In the original Java issue, MediaStore.createWriteRequest accepted attacker-controlled URIs and created a future grant even when the referenced media item did not exist yet. The...

GHSA-5WW9-JG6Q-38R7 File Browser: Cross-user unauthorized share-link deletion via unbounded prefix match in DeleteWithPathPrefix

Summary A low-privileged authenticated user of filebrowser with create + delete permissions in their own isolated scope can silently destroy share-link records belonging to any other user — including the administrator — by performing a legitimate DELETE on a file in their own directory whose...

CVE-2026-54091

creationtimestamp| type| source ---|---|--- 2026-06-06 05:55:29+00:00| published-proof-of-concept| https://github.com/filebrowser/filebrowser/security/advisories/GHSA-j9jx-hp4c-ghhh...

CVE-2026-44371

Open OnDemand is an open-source high-performance computing portal. Prior to 4.0.11, 4.1.5, and 4.2.2, specially crafted filenames can execute javascript in the file browser This vulnerability is fixed in 4.0.11, 4.1.5, and 4.2.2...

CVE-2026-54096

creationtimestamp| type| source ---|---|--- 2026-06-04 05:54:39+00:00| published-proof-of-concept| https://github.com/filebrowser/filebrowser/security/advisories/GHSA-3q2p-72cj-682c...

CVE-2026-54090

creationtimestamp| type| source ---|---|--- 2026-06-03 08:07:50+00:00| published-proof-of-concept| https://github.com/filebrowser/filebrowser/security/advisories/GHSA-8c9q-7855-wfxq...

GHSA-3JMG-P96M-M328 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...

OS Command Injection

File Browser is vulnerable to OS command injection. The vulnerability is due to unsanitized variable substitution in the hook system, where attacker-controlled filenames containing shell metacharacters are expanded into administrator-defined shell commands, allowing attackers to execute arbitrary...

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...

CVE-2026-44371

Open OnDemand is an open-source high-performance computing portal. Prior to 4.0.11, 4.1.5, and 4.2.2, specially crafted filenames can execute javascript in the file browser This vulnerability is fixed in 4.0.11, 4.1.5, and 4.2.2...