OWASP Top 10 for Agentic Applications: AppSec Guide

OWASP’s Top 10 for Agentic Applications outlines security risks posed by autonomous AI agents that can use tools, access data, modify systems, communicate with other agents, and act without continuous human approval. Unlike the OWASP LLM Top 10, which focuses primarily on unsafe model outputs, the agentic framework addresses harmful real-world actions such as data exfiltration, unauthorized API calls, code execution, fraudulent transactions, and cascading failures across connected systems. Its ten categories include goal hijacking, tool misuse, identity abuse, supply-chain vulnerabilities, unexpected code execution, memory poisoning, insecure inter-agent communication, cascading failures, human-agent trust exploitation, and rogue behavior. Recommended safeguards include least privilege combined with “least agency,” unique short-lived credentials for each agent, authenticated inter-agent communication, inventories of agents and tools, logging of tool calls and memory changes, anomaly monitoring, failure boundaries, red-team testing, and human approval for irreversible or high-consequence actions. The post also presents Arnica’s security products as tools intended to enforce agent rules, inventory agentic components, monitor runtime behavior, and apply approval controls aligned with the OWASP framework.

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