OpenClaw Hub ClawHavoc Incident - 341 Malicious ClawHub Skills

ClawHub Security Breach: What OpenClaw Hub Users Need to Know

In February 2026, researchers discovered 341 malicious ClawHub skills as part of the ClawHavoc incident. This report covers the attack vectors, affected platforms, and official responses to help openclaw hub users stay informed and protected.

Security Guide Safety Tips

⚠️ Critical Security Alert

341 malicious ClawHub skills were discovered in February 2026. These skills were designed to steal OpenClaw user credentials and distribute Atomic Stealer malware. If you installed any ClawHub skills before this incident, please review your system immediately and follow our security guidelines.

Incident Overview

Understanding the ClawHavoc security breach

ClawHavoc was a major security incident that unfolded in early February 2026 when cybersecurity researchers identified 341 malicious skills uploaded to the official ClawHub platform. This incident represented one of the most significant security threats to the OpenClaw ecosystem and all users of ClawHub skills on openclaw hub.

Timeline

  • Early February 2026: Researchers discover suspicious ClawHub skills
  • February 5-7, 2026: Initial analysis confirms malicious nature of 341 skills
  • February 8, 2026: ClawHub platform notified, begins investigation
  • February 10, 2026: Public disclosure by major security firms
  • February 12, 2026: Peter Steinberger announces official response
  • Ongoing: Continued monitoring and skill removal

Scale of the Incident

341 Malicious Skills
2 Affected Platforms
1 Malware Variant
High Severity Level

Attack Vector Analysis

HowawHub skills operated

the malicious Cl

The ClawHavoc attackers employed sophisticated social engineering tactics combined with technical exploitation to compromise OpenClaw systems through ClawHub skills.

Fake Prerequisites

The primary attack vector involved fake prerequisites. Users believed they were installing legitimate dependency packages when actually downloading malicious software. The skills appeared to be useful utilities but secretly installed malware as a "required dependency." 

# Example of how the attack worked:
# User installs what appears to be a legitimate skill
clawhub install useful-utility-tool

# The skill installs normally, but also installs:
# - Fake prerequisite package (malicious)
# - Atomic Stealer malware
# - Data exfiltration scripts

Atomic Stealer Malware

Atomic Stealer is a sophisticated data-stealing malware that targets sensitive information from compromised systems:

  • Browser Credentials: Steals saved passwords and cookies
  • Cryptocurrency Wallets: Targets crypto wallet files
  • System Information: Collects system data and hardware info
  • OpenClaw Tokens: Steals OpenClaw authentication tokens
  • Screenshots: Captures screen activity
  • Keylogging: Records keyboard input

Target Platforms

The ClawHavoc malware was specifically targeting:

  • macOS: Primary target with sophisticated malware variants
  • Windows: Secondary target with adapted malware

Linux systems appeared to have limited exposure during this incident.

Root Cause Analysis

Why ClawHub was vulnerable to this attack

Open-by-Default Design

The ClawHub platform was designed with an open-by-default philosophy to encourage community contribution and rapid skill development. While this approach fostered innovation and growth of the ClawHub ecosystem, it also created security vulnerabilities that the ClawHavoc attackers exploited.

Limited Upload Requirements

The only requirement for uploading skills to ClawHub was:

  • A GitHub account
  • Account age of at least 7 days

This minimal barrier to entry allowed malicious actors to create accounts and upload harmful skills relatively easily.

Lack of Pre-Publication Review

Unlike traditional app stores with rigorous review processes, ClawHub did not perform pre-publication security reviews. Skills were available immediately after upload, giving attackers a window to distribute malicious content before detection.

Official Response

ClawHub and OpenClaw team's response to ClawHavoc

Following the discovery of the ClawHavoc incident, Peter Steinberger and the OpenClaw team implemented several security measures to address the vulnerability and prevent future incidents.

1. User Reporting System

ClawHub implemented a comprehensive user reporting system allowing the community to flag suspicious skills:

  • Login required to report skills
  • Detailed reporting form with categories
  • Anonymous reporting available for serious issues
  • Automated alerts to moderators

2. Three-Strike Auto-Hide Policy

A three-strike policy was implemented for automated response:

  • First Report: Skill marked for review
  • Second Report: Skill flagged, investigation initiated
  • Third Report: Skill automatically hidden from public view

Hidden skills can only be restored after manual review by ClawHub moderators.

3. Enhanced Moderation

The OpenClaw team expanded the moderation team and implemented:

  • Dedicated security moderators
  • Automated code scanning for common vulnerabilities
  • Behavioral analysis of upload patterns
  • Rapid response procedures for critical reports

4. Public Warnings

Official security advisories were published:

  • Public announcement on clawhub.ai
  • Email notifications to ClawHub users
  • Integration warnings in CLI output
  • Collaboration with security researchers

News Coverage

Major media coverage of the ClawHavoc incident

The Hacker News

Researchers Find 341 Malicious ClawHub Skills Stealing Data from OpenClaw Users

Major cybersecurity publication covering the discovery of malicious skills and their data-stealing capabilities.

SC Media

OpenClaw agents targeted with 341 malicious ClawHub skills

Security news outlet reporting on the attack vector and affected platforms.

VirusTotal Blog

From Automation to Infection: How OpenClaw AI Agent Skills Are Being Weaponized

Technical analysis of the malware and how AI agent skills were turned into attack vectors.

Koi.ai

ClawHavoc: 341 Malicious Skills Found by the Bot They Were Targeting

Analysis of how security researchers used AI tools to identify the malicious skills.

CrowdStrike

What Security Teams Need to Know About OpenClaw, the AI Super Agent

Enterprise security guidance for organizations using OpenClaw and ClawHub.

Impact Assessment

Who was affected by the ClawHavoc incident

Directly Affected Users

Users who installed any of the 341 malicious ClawHub skills between their upload date (early February 2026) and discovery (February 5-7, 2026) were potentially compromised.

Recommended Actions:

  • Run antivirus/malware scans immediately
  • Rotate all credentials and API keys
  • Enable two-factor authentication where available
  • Review OpenClaw authentication tokens
  • Monitor for suspicious activity

Broader Ecosystem Impact

The ClawHavoc incident affected the broader OpenClaw ecosystem:

  • Trust Issues: Community confidence in ClawHub was shaken
  • Platform Scrutiny: Increased security scrutiny from enterprise users
  • Development Slowdown: Some developers paused skill publishing
  • Security Focus: Shift toward security-first development practices

Lessons Learned & Prevention

How to prevent future incidents on openclaw hub

For Users

  • Always verify skill authors and ratings before installing
  • Wait for community validation before installing new skills
  • Use sandbox environments for testing unfamiliar skills
  • Regularly update skills to get security patches
  • Monitor official security advisories
  • Report suspicious skills to ClawHub

For Developers

  • Follow secure coding practices when developing skills
  • Include clear documentation and transparent dependencies
  • Respond promptly to security reports
  • Use official ClawHub SDK for skill development
  • Submit skills for community review before publishing

For Platform

The ClawHavoc incident led to discussions about platform improvements:

  • Enhanced upload verification processes
  • Mandatory security scanning before publication
  • Reputation systems for skill developers
  • Bug bounty programs for vulnerability discovery
  • Community-driven security monitoring

Official ClawHub Resources

Stay informed with official sources