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Vulnerability record · CVE-2026-18634 · published 11 August 2026

CVE-2026-18634: Deserialization of untrusted data vulnerability

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.

8.4 CVSS 3.1 High EPSS 0.34% · top 74.9% CWE-502 · Deserialization of untrusted data Awaiting Analysis
8.4CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
28 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-18634), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.