CVE-2026-27556 Local File Inclusion in /index.php/ajax/save_iodd_parameters
A low-privileged attacker can exploit a local file inclusion vulnerability to execute arbitrary PHP code on industrial I/O devices.
- 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-2026-27556?
CVE-2026-27556 is a high-severity path traversal 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 local file inclusion vulnerability in the /index.php/ajax/save_iodd_parameters endpoint using a valid operator cookie allowing execution of arbitrary PHP code on the device.
Weakness: CWE-98
Which versions are affected by CVE-2026-27556?
How do I fix CVE-2026-27556?
No fix has been published for CVE-2026-27556 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-27556 being exploited?
There is no known exploitation of CVE-2026-27556 in the wild and no public exploit code.
Sources
Also known as GHSA-fmvr-8vv5-53j5.