# Offensive Container Escape (agent skill)

> Offensive Container Escape is an agent skill (a SKILL.md file) from SnailSploit/Claude-Red. Container escape and breakout techniques targeting Docker, containerd, and Podman runtimes. It works with Claude Code and has 7,321 GitHub stars across a repository of 4 listed skills.

Container escape and breakout techniques targeting Docker, containerd, and Podman runtimes. Covers privileged container breakout via host filesystem mount and nsenter, Docker socket abuse through /var/run/docker.sock, Linux capability exploitation including CAPSYSADMIN, CAPSYSPTRACE, and CAPNETADMIN, cgroup v1 notifyonrelease escape, runc CVEs such as CVE-2019-5736 and CVE-2024-21626 Leaky Vessels, kernel exploits from within containers, and Dockerfile misconfigurations like --privileged and…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/SnailSploit/Claude-Red |
| Skill path | Skills/container/offensive-container-escape/SKILL.md |
| Skill name | offensive-container-escape |
| GitHub stars | 7,321 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 4 |
| Plugin marketplace | no |
| Official | no |
| Works with | Claude Code |
| Category | DevOps & cloud |
| Last commit | Sep 19, 2026 |

## When it triggers

- Use this skill when the engagement scope includes container breakout, Docker escape, container privilege escalation, host access from container, or when you land inside a containerized environment and need to reach the underlying host.

## Add this skill

### Claude Code

```sh
git clone --depth 1 https://github.com/SnailSploit/Claude-Red.git
cp -r Claude-Red/Skills/container/offensive-container-escape ~/.claude/skills/offensive-container-escape   # personal, or .claude/skills in a project
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/SnailSploit/Claude-Red.git
cp -r Claude-Red/Skills/container/offensive-container-escape .agents/skills/offensive-container-escape   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/SnailSploit/Claude-Red.git
cp -r Claude-Red/Skills/container/offensive-container-escape .cursor/skills/offensive-container-escape   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

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Canonical page: https://appsgit.com/skills/snailsploit-offensive-container-escape
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