What is CVE-2026-73612?

CVE-2026-73612 is a high-severity vulnerability in Filebrowser, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-08-13.

How severe is CVE-2026-73612?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Filebrowser

CVE-2026-73612

File Browser before v2.63.22 fails to validate access rules for descendants during recursive copy, rename, and delete operations, allowing authenticated users to bypass path-based access controls. Attackers can copy, rename, or delete deni…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Filebrowser — versions 0, 2.63.22

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-73612?: CVE-2026-73612 is a high-severity vulnerability in Filebrowser, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-08-13.
How severe is CVE-2026-73612?: High severity. CVSS v3 base score is 8.1 out of 10.