CVE-2026-27554 Command Injection in /index.php/ajax/save_iodd_parameters

High 8.8 Published Updated

Low-privileged attackers can execute arbitrary commands with root privileges via a command injection flaw in the web interface of industrial I/O modules.

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-2026-27554?

CVE-2026-27554 is a high-severity command injection vulnerability in Carlo Gavazzi Automation ICE2-8IOL-G65L-V1D, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A low-privileged remote attacker can exploit a command injection vulnerability in the /index.php/ajax/save_iodd_parameters endpoint using operator credentials allowing execution of commands with root privileges on the device.

Weakness: CWE-78

Which versions are affected by CVE-2026-27554?

How do I fix CVE-2026-27554?

No fix has been published for CVE-2026-27554 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-2026-27554 being exploited?

There is no known exploitation of CVE-2026-27554 in the wild and no public exploit code.

Sources

Also known as GHSA-426f-m78p-m3jc.

Is CVE-2026-27554 in your software?

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