Is CVE-2026-6066 in the CISA KEV catalog?

No. CVE-2026-6066 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-6066?

CVE-2026-6066 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2026-6066?

CVE-2026-6066 has an EPSS score of 0.08% (0th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6066?

Upgrade automate to 2026.4 or later.

CVE & CISA-KEV Catalog

CVE-2026-6066

HIGH

7.1

CVSS v3

NVD

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.

CWE-319

How to fix

Remediation Available

automateNVD

Affected:< 2026.4Fixed in:2026.4CVE-2026-6066derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Exploit Intelligence

0.08%probability of exploitation in 30 days

0thpercentile

Low risk: more likely to be exploited than 0% of all known CVEs.

References

Vendor Advisory1

connectwise.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.