High severity · published May 21, 2026
CVE-2026-9089
The ConnectWise Automate™ Agent does not fully verify the authenticity of components obtained during plugin loading and self-update operations
8.8
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AU
Automate · ConnectWise
All versions prior to 2026.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9089
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9089
Vendor Advisory
https://www.connectwise.com/company/trust/security-bulletins/2026-05-21-connectwise-automate-bulletin
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