CVE-2026-9089

Agent Fails to Verify Authenticity of Plugin Components During Update

Published May 21, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Cloud: Cloud instances have already been updated to the latest Automate release.    On-prem: Apply the 2026.5 release. For instruction on updating to the newest release, please reference this doc: ConnectWise Automate Release Notes 2026.5

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:connectwise:automate:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Agent Fails to Verify Authenticity of Plugin Components During Update
First Time appeared Connectwise
Connectwise automate
Vendors & Products Connectwise
Connectwise automate
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Weaknesses CWE-494
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ConnectWise
Published
Updated
May 22, 2026, 3:55 AM
Reserved
May 20, 2026, 3:02 PM
Status
Analyzed
Published
May 21, 2026, 4:16 PM
Modified
Jul 23, 2026, 4:10 PM