CVE-2026-90809

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.

• CWE-74
• CWE-88

• https://github.com/HKUDS/nanobot/
• https://github.com/HKUDS/nanobot/commit/af582246f141311d574551b7571a517bcc3df750
• https://github.com/HKUDS/nanobot/issues/5306
• https://github.com/HKUDS/nanobot/pull/5345
• https://vuldb.com/cve/CVE-2026-90809
• https://vuldb.com/submit/922850
• https://vuldb.com/vuln/403311
• https://vuldb.com/vuln/403311/cti

Published

Sep 14, 2026

Last Modified

Sep 15, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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