CVE-2026-27546 Authentication Bypass in _account_log
Unauthenticated attackers can bypass authentication in industrial I/O modules to gain admin access, posing a risk to operational technology environments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27546?
CVE-2026-27546 is a critical authentication bypass vulnerability in Carlo Gavazzi Automation ICE2-8IOL-G65L-V1D, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker can exploit an authentication bypass in the _account_log function to log in as an admin, even when accounts are properly configured.
Weakness: CWE-288
Which versions are affected by CVE-2026-27546?
How do I fix CVE-2026-27546?
No fix has been published for CVE-2026-27546 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-27546 being exploited?
There is no known exploitation of CVE-2026-27546 in the wild and no public exploit code.
Sources
Also known as GHSA-pvrf-wj35-pxjx.