How severe is CVE-2026-66431?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Woompaloompa Bitcoin Lightning Payment Gateway For Woocommerce (Via Clink)

Q: What is CVE-2026-66431?

CVE-2026-66431 is a high-severity vulnerability in Woompaloompa Bitcoin Lightning Payment Gateway For Woocommerce (Via Clink), classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-08-13.

CVE-2026-66431

Unauthenticated Broken Access Control in Bitcoin Lightning Payment Gateway for WooCommerce (via CLINK) <= 1.0.7 versions.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Woompaloompa Bitcoin Lightning Payment Gateway For Woocommerce (Via Clink) — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-66431?: CVE-2026-66431 is a high-severity vulnerability in Woompaloompa Bitcoin Lightning Payment Gateway For Woocommerce (Via Clink), classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-08-13.
How severe is CVE-2026-66431?: High severity. CVSS v3 base score is 7.5 out of 10.