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.
CVE-2026-9089
HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 100% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.8
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 0.1%
- KEV
- Not listed
Published
May 21, 2026
Last Modified
May 21, 2026
References (1)
- 7d616e1a-3288-43b1-a0dd-0a65d3e70a49https://www.connectwise.com/company/trust/security-bulletins/2026-05-21-connectwise-automate-bulletin
Frequently asked(5)
What is CVE-2026-9089?
CVE-2026-9089 is a high vulnerability published on May 21, 2026. 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.
When was CVE-2026-9089 disclosed?
CVE-2026-9089 was first published in the National Vulnerability Database on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9089 actively exploited?
CVE-2026-9089 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9089?
CVE-2026-9089 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-9089?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9089, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-9089
Is Your Infrastructure Affected by CVE-2026-9089?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.