CVE-2026-90809
Medium
Elevated severity or exploit probability.
CVSS base
7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS — probability of exploitation (30 days)
0.3%
25.9th percentile
CISA KEV
Not listed
Weakness / dates
CWE-74
Published 2026-09-14 · modified 2026-09-15
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.
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