CVE-2026-39498: Yeeaddons Yaymail

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Shop manager PHP Object Injection in YayMail <= 4.3.3 versions.

Affected products

• Yeeaddons Yaymail: up to and including 4.3.3

Published 2026-06-15. Last modified 2026-06-17.