CVE-2026-30933

High

Description

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, the remediation for CVE-2026-27611 is incomplete. Password protected shares still disclose tokenized downloadURL via /public/api/share/info. This vulnerability is fixed in 1.3.1-beta and 1.2.2-stable.

SeverityHigh

CVSS7.5

Exploit probability—

ProductFilebrowser

PublishedMar 10, 2026

First seenMar 10, 2026

Weakness typeCWE-200Sensitive information exposure CWE-306Missing authentication for critical function CWE-602CWE-602

How to fix

Update

github.com/gtsteffaniak/filebrowser/backend0.0.0-20260307130210-09713b32a5f6 or later

Affected products

Product	Affected versions	Fixed in
filebrowser filebrowser	v ≤ 1.2.9, 1.2.1, 1.3.0	—
github.com/gtsteffaniak/filebrowser/backendGo	v < 0.0.0-20260307130210-09713b32a5f6	0.0.0-20260307130210-09713b32a5f6

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