CVE-2026-55580

mcp-shell is an MCP server for running shell commands. Prior to 0.6.0 , config.go initializes Security.Enabled to false, and when MCP_SHELL_SEC_CONFIG_FILE is unset, the documented bare-binary deployment starts without a security policy. SecurityValidator.validateCommand in security.go then short...

CVE-2026-55580 mcp-shell — Security Disabled by Default in Bare-Binary Deploy Path + Shell Interpreter in Secure-Mode Allowlist

mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prior to 0.6.0, config.go initializes Security.Enabled to false, and when MCPSHELLSECCONFIGFILE is unset, main.go starts the documented bare-binary deployment without a security policy...