CVE-2026-24378: Metagauss Eventprime

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Object Injection.This issue affects EventPrime: from n/a through <= 4.2.8.0.

Affected products

• Metagauss Eventprime: up to and including 4.2.8.0

Published 2026-03-25. Last modified 2026-06-17.