CVE-2026-90809

High

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.

SeverityHigh

CVSS7.3

Exploit probability—

ProductNanobot

PublishedSep 14, 2026

First seenSep 14, 2026

Weakness typeCWE-88CWE-88 CWE-74Injection

How to fix

Patches

github.com/HKUDS/nanobot/pull/5345
github.com/HKUDS/nanobot/commit/af582246f141311d574551b7571a517bcc3df750

Affected products

Product	Affected versions	Fixed in
nanobot nanobot	0.2.0, 0.2.1	—

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