CVE-2026-18634

Published Aug 11, 2026 CVSS 3.1 · 8.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sonicwall
Sonicwall gms
Vendors & Products Sonicwall
Sonicwall gms
Type Values Removed Values Added
Title Insecure Deserialization in SonicWall GMS Allowing Local Unauthorized Actions
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Insecure Deserialization in SonicWall GMS Allowing Local Unauthorized Actions
Type Values Removed Values Added
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.
Weaknesses CWE-502
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
sonicwall
Published
Updated
Aug 12, 2026, 5:28 PM
Reserved
Aug 3, 2026, 10:19 AM
Status
Awaiting Analysis
Published
Aug 11, 2026, 9:17 PM
Modified
Oct 23, 2026, 8:10 PM