CVE-2026-90809: Hkuds Nanobot

High severity, CVSS 7.3. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability was identified in HKUDS nanobot up to 0.2.1. The affected element is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. Such manipulation leads to argument injection. It is possible to launch the attack remotely. The name of the patch is af582246f141311d574551b7571a517bcc3df750. It is best practice to apply a patch to resolve this issue.

Affected products

• Hkuds Nanobot: version 0.2.0 only; version 0.2.1 only

Published 2026-09-14. Last modified 2026-09-15.