OpenClaw Security Guide: Is OpenClaw Safe? (Malicious Skills, Sandbox, Credentials)

Updated: 18 min read

OpenClaw security shield with lock icon surrounded by protective layers — representing defense in depth

OpenClaw is powerful — and that power comes with a real attack surface.

If you’re asking “Is OpenClaw safe?” the honest answer is:

  • Safe enough for serious work if you harden it.
  • Unsafe by default if you install random third‑party skills and run them with broad permissions.

Note on naming: you may see older ecosystem terms like Moltbot / Clawdbot in posts and searches (e.g. “moltbot security”, “clawdbot security”). This guide covers the same underlying risk surface: skills, secrets, sandboxing, and safe execution.

Jump to:

Quick Security Checklist (do this first)

P0 (today):

  1. If you do only 3 things: Sandbox + No network + Verify skills.
  2. Run OpenClaw in a sandbox (isolation) → Sandbox Setup
  3. Default to network = none (prevent silent exfiltration)
  4. Keep secrets out of agent context (.env, ~/.ssh, cloud creds) → Credential Protection
  5. Verify any skill before install → Skill Verifier
  6. Prefer audited installs → Verified Skills

P1 (this week):

  • Audit installed skills and remove anything suspicious
  • Set up an incident response playbook (below)

Threat Model: What can go wrong?

ThreatWhat to checkWhat to doBest link
Malicious skillsPermissions, install hooks, network, obfuscated codeVerify before install; run sandbox + no-network/verifier
Credential theft.env, ~/.ssh, ~/.aws, process.env accessExclude secrets; rotate keys; least privilege/guides/credential-protection
Prompt injectionUntrusted fetched content steering the agentLeast privilege; keep shell: prompt; sandbox/guides/openclaw-security
Unsafe execution (RCE)Shell access, broad filesystem accessSandbox; confirm shell; restrict paths/guides/sandbox-setup

1) Malicious skills on ClawHub (the #1 risk)

Attackers publish skills that look legitimate, but do nasty things:

  • Typosquatting (names close to popular skills)
  • Credential theft (.env, ~/.aws/credentials, tokens)
  • Data exfiltration (uploads to remote servers if network is allowed)
  • Reverse shells / persistence (install hooks, lifecycle scripts)

In early 2026, security researchers reported a large-scale malicious skill campaign targeting OpenClaw users (“ClawHavoc”) — including 341 malicious skills uploaded to ClawHub. Source: eSecurity Planet

Mitigation:

2) Credential theft (API keys are the prize)

If a skill can read files or environment variables, your API keys are the first target.

Common leak paths:

  • .env files
  • process.env
  • ~/.ssh, ~/.aws, ~/.config/*
  • shell history
  • accidental git commits

Mitigation: see Credential Protection Guide.

3) Prompt injection (skills can “steer” the agent)

Some skills (or external content they fetch) can inject hidden instructions into context and try to:

  • override your intent
  • silently modify files
  • ask for more permissions
  • push you into unsafe actions

Mitigation:

  • enforce least privilege
  • keep shell = prompt
  • sandbox to reduce blast radius

4) Unsafe execution (treat untrusted skills as RCE)

Even without a “bug”, installing an untrusted skill is effectively running untrusted code. If the skill can run shell commands or has install hooks, it can do damage under your user.

Mitigation:

  • keep OpenClaw updated
  • avoid skills with suspicious install hooks
  • sandbox + confirmation for shell commands

Hardening OpenClaw: Secure Defaults

Sandboxing is the single biggest security upgrade.

// ~/.openclaw/openclaw.json
{
  agents: {
    defaults: {
      sandbox: {
        mode: "non-main",
        scope: "session",
        workspaceAccess: "none"
      }
    }
  }
}

Full walkthrough: OpenClaw Sandbox Setup

2) Lock down permissions (least privilege)

Be explicit. If you don’t need it, deny it.

{
  "permissions": {
    "fileSystem": {
      "read": ["./src/**", "./package.json"],
      "write": ["./src/**"]
    },
    "network": "none",
    "shell": "prompt"
  }
}

Rules of thumb:

  • network: none unless you can justify it
  • shell: prompt always (unless in a controlled CI sandbox)
  • limit file access to the smallest set of paths

3) Protect secrets (don’t let skills see them)

Treat secrets as radioactive.

{
  "exclude": [
    ".env",
    ".env.*",
    "*.pem",
    "*.key",
    "credentials.json",
    "service-account.json",
    ".aws/**",
    ".ssh/**",
    ".netrc"
  ]
}

More: Credential Protection

4) Audit your installed skills

# Optional: if your OpenClaw host provides a CLI, use it to audit installed skills.
# (If you see "command not found", skip this and use the Verifier + our auditors.)
#
# Example commands (host-specific):
#   <openclaw-cli> skills list
#   <openclaw-cli> skills info <name>
#   <openclaw-cli> skills check

To disable a risky skill, set enabled: false in your skills config (or remove the skill from your workspace).

Two security jobs (UseClawPro workflow)

OpenClaw security comes down to two jobs. We provide a free auditor skill for each:

Job 1: Audit a skill before installing

Before you install anything, vet it.

Fast (browser): paste the skill URL/name/manifest into the Skill Verifier.

Deep (agent): use skill-auditor — a 6-step protocol that checks for typosquatting, dangerous permissions, supply chain risks, prompt injection, network exfiltration, and content red flags. It produces a verdict: SAFE / SUSPICIOUS / DANGEROUS / BLOCK.

Get it: skill-auditor on GitHub

Or prefer pre-vetted installs: Verified Skills Catalog

Job 2: Audit your environment

Even safe skills are dangerous in an unsafe environment. Use setup-auditor — a wizard-style skill that asks about your workspace, then scans for credential leaks, unsafe config defaults, missing sandbox, and persistence indicators. Verdict: READY / RISKY / NOT_READY with a fix checklist.

Get it: setup-auditor on GitHub

Together, these two auditors cover 12 out of 12 real-world attack types observed in the OpenClaw ecosystem. Full evidence: threat coverage matrix.

Incident response: what to do if you suspect compromise

If anything feels off (unexpected network calls, new files, weird shell commands):

  1. Stop the skill — remove from config, kill background processes
  2. Disconnect network if exfiltration suspected
  3. Preserve evidence — save the malicious SKILL.md, logs, timestamps
  4. Rotate/revoke API keys that were reachable
  5. Inspect git diff / recent changes, check for persistence (.bashrc, authorized_keys, cron, git hooks)
  6. Remove suspicious skills, restore from git
  7. Run setup-auditor to verify clean state
  8. Report it via Contact

Full playbook: incident response playbook

Further reading (external references)

If you want primary sources and ongoing incident coverage:

FAQ (People Also Ask targets)

Is OpenClaw safe?

It can be safe enough if you sandbox execution, block network by default, and verify skills before installing.

Can OpenClaw skills steal API keys?

Yes — if they can read env/files and have any route to exfiltrate. That’s why secrets isolation + sandbox + no-network is critical.

What’s the best protection against malicious skills?

Sandbox mode + no network + skill verification (in that order).

Should I allow network access to skills?

Default: no. Only enable it for a skill you trust and can justify.

How do I verify a ClawHub skill?

Use Skill Verifier and review permissions. For lowest risk, use Verified Skills.

Need help hardening a real setup?

If you’re running OpenClaw on a team, CI, or a server and want a security review / baseline hardening: