CVE-2026-78327 Command injection in Network Security Manager (NSM)
Authenticated SuperAdmin users can inject arbitrary OS commands in SonicWall NSM, leading to remote code execution on the host.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78327?
CVE-2026-78327 is a critical command injection vulnerability in SonicWall Network Security Manager (NSM), published on 4 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-78327?
How do I fix CVE-2026-78327?
No fix has been published for CVE-2026-78327 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-78327 being exploited?
There is no known exploitation of CVE-2026-78327 in the wild and no public exploit code.
Sources
Also known as GHSA-vp6r-xqwr-m9qg.