What is CVE-2026-109593?

CVE-2026-109593 is a critical-severity vulnerability in SonicWall Global Management System (Gms), classified under CWE-636. CVSS score: 9.1/10. Published 2026-11-03.

How severe is CVE-2026-109593?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in SonicWall Global Management System (Gms)

CVE-2026-109593

An unauthenticated attacker with network access to the SonicWall GMS 9.5.2 and earlier versions may be able to read internal GMS files, potentially exposing sensitive information.

Published 2026-11-03 · last modified 2026-11-03.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

SonicWall Global Management System (Gms) — versions 9.5.2 and earlier versions

Weakness classification (CWE)

CWE-636

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0019 (vendor-advisory)

Frequently asked questions

What is CVE-2026-109593?: CVE-2026-109593 is a critical-severity vulnerability in SonicWall Global Management System (Gms), classified under CWE-636. CVSS score: 9.1/10. Published 2026-11-03.
How severe is CVE-2026-109593?: Critical severity. CVSS v3 base score is 9.1 out of 10.