Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- 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
FAQ
What is CVE-2026-90809?
CVE-2026-90809 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 Exec...
How severe is CVE-2026-90809?
CVE-2026-90809 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-90809?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.