CVE-2026-66145: SonicWall Gms

Critical severity, CVSS 9.1. EPSS: 0.7% chance of exploitation in the next 30 days.

An unauthenticated remote code execution vulnerability was identified in GMS 9.5.1 (Build 9510.1044) and earlier versions which allows remote attacker to read sensitive data and perform arbitrary file write via zipslip.

Affected products

• SonicWall Gms: up to and including 9.5.1

Published 2026-08-11. Last modified 2026-08-28.