CVE-2026-27438: Themerex Kingler

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in ThemeREX Kingler kingler allows Object Injection.This issue affects Kingler: from n/a through <= 1.7.

Affected products

• Themerex Kingler: up to and including 1.7

Published 2026-03-05. Last modified 2026-06-17.