CVE-2026-66154

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.

CVSS 3.1

8.3CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-25)

CWE

CWE-295

Published

2026-08-11

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

References

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

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