CVE-2026-9089

HIGHNVD 8.88.8—Trending — 3 sources updated this week

8.8

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 v3: 8.8
EG Score: 8.8(high)
EPSS: 0.2%
KEV: Not listed

Published

May 21, 2026

Last Modified

May 22, 2026

References (1)

7d616e1a-3288-43b1-a0dd-0a65d3e70a49https://www.connectwise.com/company/trust/security-bulletins/2026-05-21-connectwise-automate-bulletin

Vendor Advisories for CVE-2026-9089(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-whv3-47vh-qhwp
GitHub Security AdvisoriesHigh
The ConnectWise Automate™ Agent does not fully verify the authenticity of components obtained...

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-494Download of Code Without Integrity Check

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 14:12 UTCEG score recompute
2026-06-03 14:12 UTCGHSA enrichment
2026-06-03 02:18 UTCEG score recompute
2026-06-03 02:18 UTCGHSA enrichment
2026-06-02 20:13 UTCepss_batch
2026-06-02 14:24 UTCEG score recompute
2026-06-02 14:24 UTCGHSA enrichment
2026-06-02 02:30 UTCEG score recompute
2026-06-02 02:30 UTCGHSA enrichment
2026-06-01 14:35 UTCEG score recompute
2026-06-01 14:35 UTCGHSA enrichment
2026-06-01 13:52 UTCepss_batch
2026-06-01 02:41 UTCEG score recompute
2026-06-01 02:41 UTCGHSA enrichment
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-23 00:07 UTCEG score recompute

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, with the most recent update on May 22, 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 0.2% 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

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CVE-2026-9089

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-9089(1)