CVE-2026-82774 Command injection in M2M Controller Configurable type CPS-MCS341*
Authenticated attackers can execute arbitrary OS commands on CONPROSYS M2M Gateways and Controllers via improper input neutralization.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82774?
CVE-2026-82774 is a high-severity command injection vulnerability in Contec Co., Ltd. M2M Controller Configurable type CPS-MCS341*, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in CONPROSYS M2M Gateway Series and CONPROSYS M2M Controller Series. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
Weakness: CWE-78
Which versions are affected by CVE-2026-82774?
How do I fix CVE-2026-82774?
No fix has been published for CVE-2026-82774 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-2026-82774 being exploited?
There is no known exploitation of CVE-2026-82774 in the wild and no public exploit code.
Sources
Also known as GHSA-x4jg-jxpj-368p.