ConnectWise Automate™ 2026.4 Security Fix
Date: 04-20-2026
Product(s): ConnectWise Automate
Severity: Moderate
Priority: 2 - Moderate
Summary
ConnectWise has released a security update for ConnectWise Automate™ that addresses a behavior in the ConnectWise Automate Solution Center where certain client-to-server communications could occur without transport-layer encryption. This could allow network‑based interception of Solution Center traffic in Automate deployments. The issue has been resolved in Automate 2026.4 by enforcing secure communication for affected Solution Center connections.
Vulnerability
CVE-2026-6066
| CWE ID | Description | Base Score | Vector |
|---|---|---|---|
| CWE-319 | Cleartext Transmission of Sensitive Information | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
Severity
Moderate—Vulnerabilities where impact is limited to a significant degree by mitigating factors such as version / configuration, detective controls, or are otherwise difficult to exploit
Priority
2 Moderate—Vulnerabilities that have elevated risk but exploits are neither known nor anticipated to be imminent. Recommend updates be prioritized against normal change management timelines but no longer than 30 days.
Affected versions
Automate version prior to 2026.4 are impacted.
Remediation
Cloud
No action is required.
On-premise
Apply the 2026.4 release.
For information regarding the newest release, please reference this doc: Automate Release Notes Version 2026 - ConnectWise
After applying the update, on-premises customers must ensure the following configurations are in place:
- An SSL certificate is bound to the Solution Center on port 8484 to establish secure communication. Refer to the ConnectWise documentation for configuration steps: Solution Center Client and Service HTTPS Update - ConnectWise
- In some environments, antivirus or endpoint protection products may interfere with the Automate patch installer or service behavior during upgrades. If issues are encountered during installation or startup, refer to the ConnectWise documentation for recommended antivirus exclusions: Automate Antivirus Exclusions for Windows.
- Ensure that the LTShare has a minimum of 1 GB of free disk space prior to installation.
If you experience issues completing the update or required configuration steps, please contact ConnectWise Support for assistance.