ConnectWise Automate agent trusts unverified plugin and update downloads, fixed in 2026.5
Status: UPDATED
| Advisory ID: CVE-2026-9089
Key Details
| CVE | CVE-2026-9089 |
| CVSS Score / Version | 8.8 (High) / CVSS v3.1 |
| CVSS Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CVSS Prose | attack vector is adjacent; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | ConnectWise automate |
| Classified as | CWE-494 (Download of Code Without Integrity Check) |
| Exploitation prediction (EPSS) | 0.31% probability of exploitation in the next 30 days (24% percentile) -- FIRST.org's EPSS model. |
Affected Products, Subsystems & Sectors
| Subsystems | General OT |
| Sectors | Multiple |
What to Know
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.
What to Do
Monitor ConnectWise's web page for any future patch releases. See vendor advisory link below.
References