CVE-2026-67398

Vulnerability Description

Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS from 8.13.0 before 8.13.7, 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.

Related Weaknesses (CWE)

CWE-862

References

https://help.whmcs.com/m/125386/l/2116695-cve-2026-67398-whmcs-security-update-2

FAQ

What is CVE-2026-67398?

CVE-2026-67398 is a documented vulnerability. Missing authorization vulnerability has been discovered in 2Checkout payment gateway of WHMCS from 8.13.0 before 8.13.7, from 9.0.0 before 9.0.8, all other EOL versions from 4.5.0. The vulnerability a...

How severe is CVE-2026-67398?

CVSS scoring is not yet available for CVE-2026-67398. Check NVD for updates.

Is there a patch for CVE-2026-67398?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.