Vulnerability · Published Aug 27, 2026 · Assigned by WatchGuard
CVE-2026-78498Dimension Server-Side Request Forgery via Email Server Test Settings
Medium 5.1
In plain English
A medium-severity server-side request forgery in Dimension from WatchGuard. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.4%top 61.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WatchGuard | Dimension | 2.0 – before 2.3.1 |
Weakness: CWE-918 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
References
- https://psirt.watchguard.com/CVE-2026-78498 vendor-advisory