Server-Side Request Forgery Vulnerability in WatchGuard Dimension Email Server
CVE-2026-78498

5.1MEDIUM

Key Information:

Vendor

Watchguard

Status
Dimension
Vendor
CVE Published:
27 August 2026

Badges

👾 Exploit Exists

What is CVE-2026-78498?

A vulnerability in the WatchGuard Dimension Email Server allows an authenticated privileged attacker to exploit server-side request forgery (SSRF) weaknesses. This flaw enables attackers to potentially enumerate and interact with exposed network services on nearby systems, posing a risk to overall network security. Affected users should review their security configurations to mitigate potential exploits.

Affected Version(s)

Dimension 2.0 < 2.3.1

References

https://psirt.watchguard.com/CVE-2026-78498
vendor-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Simone Paganessi (https://www.linkedin.com/in/simonepaganessi)
.