CVE-2026-66154

HIGH
MEDIUM Priority: 0.02 BB Relevance: 52/100
Published: 2026-08-11 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent No Auth No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Adjacent
AC: High
PR: None
UI: None
S: Changed
C: High
I: High
A: High

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 Classification (1)

Bug Bounty Relevance

52 / 100
✓ No authentication
✓ No user interaction

CVSS Score

8.3 / 10.0 v3.1
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

0.20%
Raw Score 0.002010
Percentile 10.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00201
2026-10-28
0.00201

Intelligence Sources

nvd ref →