CVE-2026-32666 Automated Logic WebCTRL Premium Server Authentication Bypass by Spoofing
Attackers can spoof BACnet packets to bypass authentication and interact with WebCTRL servers or controllers due to lack of network layer validation.
- 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-2026-32666?
CVE-2026-32666 is a high-severity authentication bypass vulnerability in Automated Logic WebCTRL Premium Server, published on 20 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WebCTRL systems that communicate over BACnet inherit the protocol's lack of network layer authentication. WebCTRL does not implement additional validation of BACnet traffic so an attacker with network access could spoof BACnet packets directed at either the WebCTRL server or associated AutomatedLogic controllers. Spoofed packets may be processed as legitimate.
Weakness: CWE-290
Which versions are affected by CVE-2026-32666?
How do I fix CVE-2026-32666?
No fix has been published for CVE-2026-32666 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-2026-32666 being exploited?
There is no known exploitation of CVE-2026-32666 in the wild and no public exploit code.
Sources
Also known as GHSA-2v87-3m5p-q6cw.