What is CVE-2026-66665?

CVE-2026-66665 is a critical-severity vulnerability in Brandexponents Type Hub, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 10.0/10. Published 2026-08-06.

How severe is CVE-2026-66665?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Arbitrary file upload in Brandexponents Type Hub

CVE-2026-66665

Unauthenticated Arbitrary File Upload in Type Hub <= 2.0.6 versions.

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Brandexponents Type Hub — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-66665?: CVE-2026-66665 is a critical-severity vulnerability in Brandexponents Type Hub, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 10.0/10. Published 2026-08-06.
How severe is CVE-2026-66665?: Critical severity. CVSS v3 base score is 10.0 out of 10.