CVE-2026-66154CWE-295

CVE-2026-66154

High · published August 12, 2026

CVSS v3.1
8.3
EPSS
0%
Percentile
9.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.3 · HIGH
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00201 · 9.5th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-08-12T01:17Z
References (1)
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011 · [email protected]
EPSS history
Timeline
  • 11 AUG 20:12Z
    An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 (Build 9510.1044) and earlier versions…
    cvelistv5