CVE-2026-82791 Command injection in CAN-2-USB
Authenticated attackers can execute arbitrary OS commands on Contec CAN converter units via improper neutralization of special elements.
- 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-2026-82791?
CVE-2026-82791 is a high-severity command injection vulnerability in Contec Co., Ltd. CAN-2-USB, 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 Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. 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-2026-82791?
How do I fix CVE-2026-82791?
No fix has been published for CVE-2026-82791 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-2026-82791 being exploited?
There is no known exploitation of CVE-2026-82791 in the wild and no public exploit code.
Sources
Also known as GHSA-vxg5-xqxv-m956.