CVE-2026-3469: SonicWall Email Security

Low severity, CVSS 2.7. EPSS: 0.5% chance of exploitation in the next 30 days.

A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive.

Affected products

• SonicWall Email Security: before 10.0.35.8405 (fixed in 10.0.35.8405)

Published 2026-03-31. Last modified 2026-07-24.