CVE-2026-57621: Arraytics Booktics

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

Unauthenticated PHP Object Injection in Booktics <= 1.0.21 versions.

Affected products

• Arraytics Booktics: up to and including 1.0.21

Published 2026-07-02. Last modified 2026-07-02.