What is the CVSS score of CVE-2026-30933?

CVE-2026-30933 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of Filebrowser are affected by CVE-2026-30933?

FileBrowser Quantum contains a high-severity vulnerability (CVE-2026-30933) affecting self-hosted file manager deployments.. A patch is available.

How to fix or mitigate CVE-2026-30933?

Within 24 hours: Identify all FileBrowser Quantum instances in your environment and document versions currently deployed. Within 7 days: Implement network segmentation to restrict access to FileBrowser Quantum to trusted users only; consider disabling the application if not business-critical until patched. Within 30 days: Monitor vendor releases for version 1.3.1-beta or 1.2.2-stable availability and apply patches immediately upon release; establish a process to track CVE-2026-27611 and related disclosures.

Filebrowser CVE-2026-30933

HIGH

Information Exposure (CWE-200)

2026-03-10 security-advisories@github.com

GHSA-525j-95gf-766f

Information Disclosure Filebrowser Suse

7.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SUSE

HIGH

qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Mar 10, 2026 - 18:18 nvd

HIGH 7.5

DescriptionGitHub Advisory

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.

AnalysisAI

FileBrowser versions prior to 1.3.1-beta and 1.2.2-stable leak authentication tokens through the /public/api/share/info endpoint, allowing unauthenticated attackers to bypass password protections on shared files. The vulnerability stems from an incomplete fix to CVE-2026-27611 and enables token disclosure that could facilitate unauthorized file access. No patch is currently available for affected installations.

Technical ContextAI

Classified as CWE-200 (Information Exposure). Affects web-based file manager.. 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.