CVE-2026-90809
highA vulnerability was identified in HKUDS nanobot up to 0.2.1.
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
7.3
7.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-09-14 19:18
Modified: 2026-09-15 14:17
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:53 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/HKUDS/nanobot/ cna@vuldb.com
- https://github.com/HKUDS/nanobot/commit/af582246f141311d574551b7571a517bcc3df750 cna@vuldb.com
- https://github.com/HKUDS/nanobot/issues/5306 cna@vuldb.com
- https://github.com/HKUDS/nanobot/pull/5345 cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-90809 cna@vuldb.com
- https://vuldb.com/submit/922850 cna@vuldb.com
- https://vuldb.com/vuln/403311 cna@vuldb.com
- https://vuldb.com/vuln/403311/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:53 UTC · record ↗