Medium severity · published Aug 11, 2026
CVE-2026-66148
An authenticated command injection vulnerability was identified in GMS Command-Line Interface (CLI) 9.5.1 (Build 9510.1044) and earlier versions which allows low-privileged local…
6.3
CVSS
1.1%
EPSS
No
On KEV
Description
An authenticated command injection vulnerability was identified in GMS Command-Line Interface (CLI) 9.5.1 (Build 9510.1044) and earlier versions which allows low-privileged local user to execute system commands with root privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GM
GMS · SonicWall
9.5.1 and earlier versions · source: vendor
In the news
VulnerabilityHigh
ZDI-26-531: SonicWall GMS Virtual Appliance interface Command Injection Local Privilege Escalation Vulnerability
This vulnerability allows local attackers to escalate privileges on affected installations of SonicWall GMS Virtual Appliance. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-66148.
Aug 11, 2026·Zero Day Initiative
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66148
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66148
psirt.global.sonicwall.com
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011
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