Threats Tagged 'cve-2026-19243'

A security vulnerability (CVE-2026-19243) exists in HKUDS nanobot versions up to 0.2.1 in the Shell Allowlist Handler component. The flaw allows remote OS command injection via improper validation of shell commands in the ExecTool._guard_command and ExecTool._spawn functions. The issue is addressed by upgrading to version 0.3.0, which validates each executable shell segment against a configured allowlist. The vulnerability has a CVSS score of 6.3 (medium severity).

A security vulnerability has been detected in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component Shell Allowlist Handler. Such manipulation leads to os command injection. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.3.0 is recommended to address this issue. The name of the patch is 4562. It is advisable to upgrade the affected component. Multiple issues were reported to the project. They reacted with a high level of professionalism and kindness: "These five reports are variants of the same root cause: validation of shell commands containing multiple segments, wrappers, comments, or chained commands. The issue was fixed by validating every executable shell segment against the configured allowlist".