CVE-2026-18634
High
Description
An insecure handling of serialized objects vulnerability was found in the one of the service of GMS application 9.5.1 (Build 9510.1044) and earlier versions. A local attacker with the ability to interact with the service could exploit this behavior to perform unauthorized actions through the affected component.
SeverityHigh
CVSS8.4
Exploit probability—
Product
GMS
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| SonicWall GMS | 9.5.1 and earlier versions | — |
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