CVE-2026-66147: GMS 9.5.1 and earlier versions

CVE-2026-66147. CVSS 3.1 base score 9.4 (CRITICAL, Source advisory). EPSS 0.01764 (percentile 0.7787), scored 22-Oct-2026.

Affected technology

GMS · 9.5.1 and earlier versions
SonicWall

Description’s affected range: versions which allows remote attacker to perform remote code execution through specially crafted requests

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Remote attacker can perform remote code execution through specially crafted requests. Source advisory’s CVSS 3.1 assessment (base score 9.4/10) rates confidentiality impact as low; integrity and availability impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-94
CCR priority: 38.0 /100 (P4)
CVSS 3.1: 9.4 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H · Source advisory
EPSS: 0.01764 · percentile 0.7787 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-66147.html