Vulnerability · Published Aug 11, 2026 · Assigned by sonicwall

CVE-2026-66147

Critical 9.4

In plain English

A critical-severity code injection in GMS from SonicWall. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)9.4Critical

Exploit odds (30 days)1.8%top 21.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

An unauthenticated command injection vulnerability was identified in the GMS Dispatcher Service in GMS 9.5.1 and earlier versions which allows remote attacker to perform remote code execution through specially crafted requests.

Affected products (as reported)

Vendor	Product	Versions
SonicWall	GMS	9.5.1 and earlier versions

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011 vendor-advisory