CVE-2026-66650: Theme-Rex Freightco

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

Unauthenticated PHP Object Injection in FreightCo <= 1.1.15 versions.

Affected products

• Theme-Rex Freightco: up to and including 1.1.15

Published 2026-08-24. Last modified 2026-08-24.