CVE-2026-102256 Command injection in SMA1000
Authenticated administrators can execute arbitrary OS commands on SonicWall SMA1000 appliances, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102256?
CVE-2026-102256 is a high-severity command injection vulnerability in SonicWall SMA1000, published on 7 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been identified in the SMA1000 appliance which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.
Weakness: CWE-78
Which versions are affected by CVE-2026-102256?
How do I fix CVE-2026-102256?
No fix has been published for CVE-2026-102256 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-2026-102256 being exploited?
There is no known exploitation of CVE-2026-102256 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-34mf-86x9-c654.