CVE-2026-27552 Unauthorized IODD File Upload due to Improper Authorization

High 8.1 Published Updated

Low-privileged attackers can upload IODD files to industrial devices, potentially altering behavior or causing crashes due to improper authorization.

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-2026-27552?

CVE-2026-27552 is a high-severity missing authorization 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 improper authorization in the /index.php/attached_devices_tab/do_upload endpoint to upload IODD files to the device, potentially altering device behavior or causing system crashes.

Weakness: CWE-863

Which versions are affected by CVE-2026-27552?

How do I fix CVE-2026-27552?

No fix has been published for CVE-2026-27552 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-27552 being exploited?

There is no known exploitation of CVE-2026-27552 in the wild and no public exploit code.

Sources

Also known as GHSA-85mr-mj2w-73j9.

Is CVE-2026-27552 in your software?

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