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.
Published: 2026-08-11
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 13 Aug 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Sonicwall
Sonicwall gms
Vendors & Products Sonicwall
Sonicwall gms

Thu, 13 Aug 2026 01:15:00 +0000

Type Values Removed Values Added
Title Insecure Deserialization in SonicWall GMS Allowing Local Unauthorized Actions

Wed, 12 Aug 2026 18:30:00 +0000

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'}


Wed, 12 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 12 Aug 2026 13:45:00 +0000

Type Values Removed Values Added
Title Insecure Deserialization in SonicWall GMS Allowing Local Unauthorized Actions

Tue, 11 Aug 2026 20:30:00 +0000

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

cve-icon MITRE

Status: PUBLISHED

Assigner: sonicwall

Published:

Updated: 2026-08-12T17:28:11.678Z

Reserved: 2026-08-03T10:19:53.152Z

Link: CVE-2026-18634

cve-icon Vulnrichment

Updated: 2026-08-11T20:45:04.332Z

cve-icon NVD

Status : Received

Published: 2026-08-11T21:17:30.880

Modified: 2026-08-12T18:17:28.580

Link: CVE-2026-18634

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T10:39:39Z

Weaknesses