Taming OpenClaw: Security Analysis and Mitigation of Autonomous LLM Agent Threats

TL;DR

This paper conducts a comprehensive security analysis of OpenClaw, an autonomous LLM agent, identifying systemic threats across its lifecycle and evaluating defense strategies to improve its security posture.

Contribution

It introduces a five-layer security framework for autonomous LLM agents and systematically examines compound threats and defense limitations.

Findings

Existing defenses are insufficient against cross-temporal systemic risks.

Compound threats like prompt injection and memory poisoning are prevalent.

Holistic security architectures are necessary for autonomous LLMs.

Abstract

Autonomous Large Language Model (LLM) agents, exemplified by OpenClaw, demonstrate remarkable capabilities in executing complex, long-horizon tasks. However, their tightly coupled instant-messaging interaction paradigm and high-privilege execution capabilities substantially expand the system attack surface. In this paper, we present a comprehensive security threat analysis of OpenClaw. To structure our analysis, we introduce a five-layer lifecycle-oriented security framework that captures key stages of agent operation, i.e., initialization, input, inference, decision, and execution, and systematically examine compound threats across the agent's operational lifecycle, including indirect prompt injection, skill supply chain contamination, memory poisoning, and intent drift. Through detailed case studies on OpenClaw, we demonstrate the prevalence and severity of these threats and analyze the limitations of existing defenses. Our findings reveal critical weaknesses in current point-based defense mechanisms when addressing cross-temporal and multi-stage systemic risks, highlighting the need for holistic security architectures for autonomous LLM agents. Within this framework, we further examine representative defense strategies at each lifecycle stage, including plugin vetting frameworks, context-aware instruction filtering, memory integrity validation protocols, intent verification mechanisms, and capability enforcement architectures.