Security Advisory
CVE-2026-67398
N/A
UNKNOWN
Vulnerability Description
Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS from 8.13.0 before 8.13.8, from 9.0.0 before 9.0.8, all other EOL versions from 4.5.0. The vulnerability allows an unauthenticated user to get WHMCS customer's data via 2Checkout payment gateway's endpoint under specific conditions.
Published Date
September 4, 2026
Official Source
NIST NVD Advisory