What’s Vulnerable › Vulnerabilities

CVE-2026-18634

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-11 · updated 2026-10-23
• Weakness: CWE-502

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.

Affected products

• SonicWall GMS: through 9.5.1

References

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

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