CVE-2026-56053: Eventprime

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Subscriber PHP Object Injection in EventPrime <= 4.3.4.1 versions.

Affected products

• Eventprime Eventprime: up to and including 4.3.4.1

Published 2026-06-25. Last modified 2026-06-26.