high severity · published 2026-10-27
An MCP client can run shell commands as the MCP server user by injecting metacharacters into the args of the hagent_arduino and hagent_esp32 tools. Attackers or prompt-injected agents get code execution on the machine hosting the server.
CVE: CVE-2026-117573
Source: NVD
FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 555 and your operating system.