CVE-2026-67399

Vulnerability Description

Deserialization of untrusted data in WHMCS 9.0.0 before 9.0.8 and 8.0.0 before 8.13.7 allows remote attackers to execute arbitrary code.

Related Weaknesses (CWE)

CWE-502

References

https://help.whmcs.com/m/125386/l/2118034-cve-2026-67399-whmcs-security-update-2

FAQ

What is CVE-2026-67399?

CVE-2026-67399 is a documented vulnerability. Deserialization of untrusted data in WHMCS 9.0.0 before 9.0.8 and 8.0.0 before 8.13.7 allows remote attackers to execute arbitrary code.

How severe is CVE-2026-67399?

CVSS scoring is not yet available for CVE-2026-67399. Check NVD for updates.

Is there a patch for CVE-2026-67399?

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