CVE-2026-66453: Dimitri Grassi Salon Booking System

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

Unauthenticated Broken Authentication in Salon booking system <= 10.30.26 versions.

Affected products

• Dimitri Grassi Salon Booking System: up to and including 10.30.26

Published 2026-08-13. Last modified 2026-08-14.