TI-2026-05318 Aliases CVE-2026-6066 GHSA-h2v9-xpqq-69hx

Unencrypted Client‑Server Communication in ConnectWise Automate™ Solution Center

LOW 30CWE-319Published 2026-04-20 · Updated 2026-04-20

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00082 0th percentileScored 2026-11-07

Fix Fixed Automate (ConnectWise): 2026.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ConnectWise	Automate	before 2026.4	2026.4	Patch available	CNA

Automate VendorConnectWise Affected before 2026.4 Fixed in 2026.4 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:connectwise:automate::::::::	before 2026.4	Vulnerable	ConnectWise

cpe:2.3:a:connectwise:automate:*:*:*:*:*:*:*:* Versions before 2026.4 Vulnerable ·ConnectWise

Remediation

Fix · CNA Automate (ConnectWise) Fixed in 2026.4

Timeline

2026-10-02 Threatist record created from CVE-2026-6066
2026-10-03 Alias added: GHSA-h2v9-xpqq-69hx

References

Advisory 1

https://www.connectwise.com/company/trust/security-bulletins/2026-04-20-connectwise-automate-bulletin

TI-2020-11814 ConnectWise Automate through 2020.x has insufficient validation on certain authentication… CVSS 3.1CRITICAL 9.8
TI-2021-14026 An XXE vulnerability exists in ConnectWise Automate before 2021.0.6.132. CVSS 3.1CRITICAL 9.8
TI-2025-10528 HTTP Configuration and Encryption in Transit CVSS 3.1CRITICAL 9.6
TI-2020-12466 The Agent Update System in ConnectWise Automate before 2020.8 allows Privilege Escalation… CVSS 3.1HIGH 8.8
TI-2026-07986 The ConnectWise Automate™ Agent does not fully verify the authenticity of components… CVSS 3.1HIGH 8.8
TI-2025-10529 Self-Update Verification Mechanism Process in ConnectWise Automate CVSS 3.1HIGH 8.8

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences