# Command Injection

> Detects untrusted input passed directly to operating system shell commands.

- Skill: `zakirkun/command-injection` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add zakirkun/command-injection`
- Raw SKILL.md: https://api.skillmd.com/api/skills/zakirkun/command-injection/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: zakirkun (https://skillmd.com/u/zakirkun)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/zakirkun/command-injection

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# Command Injection

## Overview
Detects untrusted input passed directly to operating system shell commands.

## Remediation
Avoid calling OS commands directly. Use built-in language APIs. If necessary, use exec arrays instead of shell strings.