CVE-2026-9089: CWE-494 Download of code without integrity check in ConnectWise Automate
CVE-2026-9089 is a high-severity vulnerability in ConnectWise Automate Agent prior to version 2026.5. The agent does not fully verify the authenticity of components downloaded during plugin loading and self-update processes, which could allow an attacker to execute malicious code. This issue is addressed in Automate version 2026.5. The vulnerability has a CVSS score of 8.8, indicating a significant risk of confidentiality, integrity, and availability impact. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
ConnectWise Automate Agent versions before 2026.5 suffer from a CWE-494 vulnerability where the agent downloads code components without performing complete integrity checks during plugin loading and self-update operations. This lack of verification could allow an attacker to supply malicious components that the agent would trust and execute, potentially leading to full compromise of the affected system. The vulnerability is rated with a CVSS 3.1 score of 8.8 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), reflecting high impact on confidentiality, integrity, and availability. The issue is fixed in Automate 2026.5. No vendor advisory or patch link is provided in the data, and no known exploits have been reported.
Potential Impact
Successful exploitation could allow an unauthenticated attacker with network access to the agent to execute arbitrary code by supplying malicious plugin or update components. This can lead to full compromise of the affected system, impacting confidentiality, integrity, and availability. The vulnerability affects all versions prior to 2026.5 of ConnectWise Automate Agent.
Mitigation Recommendations
Upgrade ConnectWise Automate Agent to version 2026.5 or later, where this vulnerability is addressed. Since no official patch link or advisory is provided, verify with ConnectWise for the official update. Until upgraded, restrict network access to the agent to trusted sources only to reduce exposure.
CVE-2026-9089: CWE-494 Download of code without integrity check in ConnectWise Automate
Description
CVE-2026-9089 is a high-severity vulnerability in ConnectWise Automate Agent prior to version 2026.5. The agent does not fully verify the authenticity of components downloaded during plugin loading and self-update processes, which could allow an attacker to execute malicious code. This issue is addressed in Automate version 2026.5. The vulnerability has a CVSS score of 8.8, indicating a significant risk of confidentiality, integrity, and availability impact. No known exploits are reported in the wild at this time.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
ConnectWise Automate Agent versions before 2026.5 suffer from a CWE-494 vulnerability where the agent downloads code components without performing complete integrity checks during plugin loading and self-update operations. This lack of verification could allow an attacker to supply malicious components that the agent would trust and execute, potentially leading to full compromise of the affected system. The vulnerability is rated with a CVSS 3.1 score of 8.8 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), reflecting high impact on confidentiality, integrity, and availability. The issue is fixed in Automate 2026.5. No vendor advisory or patch link is provided in the data, and no known exploits have been reported.
Potential Impact
Successful exploitation could allow an unauthenticated attacker with network access to the agent to execute arbitrary code by supplying malicious plugin or update components. This can lead to full compromise of the affected system, impacting confidentiality, integrity, and availability. The vulnerability affects all versions prior to 2026.5 of ConnectWise Automate Agent.
Mitigation Recommendations
Upgrade ConnectWise Automate Agent to version 2026.5 or later, where this vulnerability is addressed. Since no official patch link or advisory is provided, verify with ConnectWise for the official update. Until upgraded, restrict network access to the agent to trusted sources only to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ConnectWise
- Date Reserved
- 2026-05-20T15:02:32.409Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a0f2bf2e1370fbb48ee51e4
Added to database: 5/21/2026, 3:59:46 PM
Last enriched: 5/28/2026, 8:42:18 PM
Last updated: 6/11/2026, 9:22:21 PM
Views: 96
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