Unencrypted Client‑Server Communication in ConnectWise Automate™ Solution Center
Summary
| CVE | CVE-2026-6066 |
|---|---|
| State | PUBLISHED |
| Assigner | ConnectWise |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-20 16:16:50 UTC |
| Updated | 2026-04-20 19:05:30 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.1 HIGH from 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EPSS: 0.000130000 probability, percentile 0.019720000 (date 2026-04-21)
Problem Types: CWE-319 | CWE-319 CWE-319 Cleartext transmission of sensitive information
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 7d616e1a-3288-43b1-a0dd-0a65d3e70a49 | Secondary | 7.1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
| 3.1 | CNA | CVSS | 7.1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | ConnectWise | Automate | affected All versions prior to 2026.4 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.connectwise.com/company/trust/security-bulletins/2026-04-20-connectwise-autom... | 7d616e1a-3288-43b1-a0dd-0a65d3e70a49 | www.connectwise.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Additional Advisory Data
Solutions
CNA: Remediation Cloud: No action is required. On-Premise: Apply the 2026.4 release. For instruction on updating to the newest release, please reference this doc: Automate Release Notes Version 2026 - ConnectWise https://docs.connectwise.com/ConnectWise_Automate_Documentation/100/Automate_Release_Notes_Version_2026 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 https://docs.connectwise.com/ConnectWise_Automate_Documentation/060/040/010 * 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.