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CRITICAL

CVE-2026-78327

CVSS v3

9.1

CRITICAL

EPSS Score

1.6 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows an authenticated attacker with SuperAdmin privileges to inject arbitrary commands that are executed on the underlying host, resulting in remote code execution.

Technical details

CVSS v3 Vector
3.1
Published
2026-09-04
Last Modified
2026-09-04

Frequently asked questions

What is CVE-2026-78327?

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows an authenticated attacker with SuperAdmin privileges to inject arbitrary commands that are executed on the underlying host, resulting in remote code execution.

Is CVE-2026-78327 actively exploited?

Active exploitation of CVE-2026-78327 has not been confirmed. The EPSS score is 1.6%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-78327?

CVE-2026-78327 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string 3.1.

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