CVE-2026-9089

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Summary

CVECVE-2026-9089
StatePUBLISHED
AssignerConnectWise
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-21 16:16:23 UTC
Updated2026-05-21 19:10:21 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 7d616e1a-3288-43b1-a0dd-0a65d3e70a49

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

EPSS: 0.000040000 probability, percentile 0.001490000 (date 2026-05-28)

Problem Types: CWE-494 | CWE-494 CWE-494 Download of code without integrity check

VersionSourceTypeScoreSeverityVector
3.17d616e1a-3288-43b1-a0dd-0a65d3e70a49Secondary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA ConnectWise Automate affected All versions prior to 2026.5 Not specified

References

ReferenceSourceLinkTags
www.connectwise.com/company/trust/security-bulletins/2026-05-21-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: 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

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