# Tainted Argv0 Skill

> Tainted Argv[0] Through Wrapper Skill

- Skill: `gl0di/tainted-argv0-skill` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add gl0di/tainted-argv0-skill`
- Raw SKILL.md: https://api.skillmd.com/api/skills/gl0di/tainted-argv0-skill/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: gl0di (https://skillmd.com/u/gl0di)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/gl0di/tainted-argv0-skill

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# Tainted Argv[0] Through Wrapper Skill

Same `run(cmd)` wrapper idiom as the layer-2 fix targets, but the program name itself
(`argv[0]`) is read from an environment variable at the one real call site — this is
still arbitrary program execution, and must stay a CRITICAL vet failure.