CVE-2026-90808

HKUDS nanobot before 0.3.0 contains a server-side request forgery vulnerability in the WebFetchTool component where the _validate_url() function fails to block internal IP ranges and private addresses. Attackers can send messages instructing the bot to fetch cloud metadata endpoints, localhost services, and RFC 1918 addresses to extract IAM credentials and internal service data.

A vulnerability was identified in HKUDS nanobot up to 0.2.1 in the functions ExecTool._guard_command and ExecTool._spawn of the file nanobot/agent/tools/shell.py (ExecTool component). The manipulation leads to argument injection and can be triggered remotely.

A vulnerability was found in HKUDS nanobot up to 0.2.1 in the _download_image_data_url function of nanobot/providers/image_generation.py, leading to server-side request forgery (SSRF). The attack can be initiated remotely and the exploit is public. Applying a patch is recommended.

A vulnerability in HKUDS nanobot up to 0.2.1 affects the ExecTool._prepare_command function in nanobot/agent/tools/shell.py of the Login-shell Environment Handler component. Executing a manipulation can lead to information disclosure. The attack requires local access, and the exploit has been published.

A vulnerability was detected in HKUDS nanobot up to 0.2.1 in the connect_mcp_servers function of nanobot/agent/tools/mcp.py, leading to improper access controls. The attack can be performed remotely and the exploit is public. Upgrading to version 0.3.0 fixes the issue.

A vulnerability was detected in HKUDS nanobot up to 0.2.1 in the ExecTool._guard_command/ExecTool._spawn functions of nanobot/agent/tools/shell.py, leading to OS command injection. The attack can be executed remotely and the exploit is public. Upgrading to version 0.3.0 is recommended.