CVE-2026-50227 MQTT WebSocket Command Execution Vulnerability in NitroSense
An unauthenticated local attacker can execute arbitrary commands via the MQTT WebSocket endpoint in Acer NitroSense.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-50227?
CVE-2026-50227 is a medium-severity command injection vulnerability in Acer NitroSense V5, published on 23 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An unauthenticated local attacker can connect to the MQTT broker over its localhost WebSocket endpoint in Acer NitroSense software (versions up to and including 5.2.62). This allows the attacker to invoke exposed ddsc RPC functions, including child_process.execSync(), resulting in arbitrary command execution in the application context.
Which versions are affected by CVE-2026-50227?
How do I fix CVE-2026-50227?
No fix has been published for CVE-2026-50227 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-2026-50227 being exploited?
There is no known exploitation of CVE-2026-50227 in the wild and no public exploit code.
Sources
Also known as GHSA-x445-jgfc-928v.