CVE-2026-78498: WatchGuard Dimension

Medium severity, CVSS 5.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A server-side request forgery (SSRF) vulnerability WatchGuard Dimension Email Server Test configuration allows an authenticated privileged attacker to enumerate exposed network services on adjacent network systems.

Affected products

• WatchGuard Dimension: from 2.0, before 2.3.1 (fixed in 2.3.1)

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