CVE-2026-78292: Hashthemes Hash Form

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

Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 versions.

Affected products

• Hashthemes Hash Form: up to and including 1.4.1

Published 2026-08-27. Last modified 2026-08-28.