CVE-2026-66154

—

CVSS 3.1

8.3 high

EPSS

<1%p3

Published

Aug 11, 2026 (Aug 11, 2026)

Modified

Aug 28, 2026

Description

An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes.

Weakness: CWE-295
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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