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Fencer Intel
critical 9.4

CVE-2026-66147 json

An unauthenticated command injection vulnerability was identified in the GMS Dispatcher Service in GMS 9.5.1 and earlier versions which all…

published 3mo ago modified 18d ago also EUVD-2026-56941

cvss
9.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

An unauthenticated command injection vulnerability was identified in the GMS Dispatcher Service in GMS 9.5.1 and earlier versions which allows remote attacker to perform remote code execution through specially crafted requests.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
3mo ago

Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
CNA 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Affected products

  • SonicWall GMS

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.