CVE-2026-66619: Tribulant Software Newsletters

High severity, CVSS 7.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Administrator SQL Injection in Newsletters <= 4.18 versions.

Affected products

• Tribulant Software Newsletters: up to and including 4.18

Published 2026-09-17. Last modified 2026-09-19.