CVE-2026-9089

HIGH

Published May 21, 2026 Modified May 22, 2026 CWE-494

Description

The ConnectWise Automate™ Agent does not fully verify the authenticity of components obtained during plugin loading and self-update operations. This issue is addressed in Automate 2026.5.

CVSS v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0019

Probability of exploitation

0.09%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-494 CWE-494

Affected Products

Vendor	Product	Versions
connectwise	automate	< 2026.5

References

Advisories & Patches

https://www.connectwise.com/company/trust/security-bulletins/2026-05-21-connectwise-automate-bulletin

Frequently Asked Questions

What is CVE-2026-9089? +

The ConnectWise Automate™ Agent does not fully verify the authenticity of components obtained during plugin loading and self-update operations. This issue is addressed in Automate 2026.5. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-9089? +

CVE-2026-9089 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0019, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-9089? +

CVE-2026-9089 affects products from connectwise, specifically: automate. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-9089? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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