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OWASP Top 10 for LLM Applications

Reviewed 19 July 2026 Canonical definition Part of: AI Agent Fundamentals →

The OWASP Top 10 for Large Language Model Applications is a community-developed list of the most critical security risks in LLM-based systems, including prompt injection, insecure output handling, training data poisoning, and excessive agency. It is widely used as a baseline for AI agent security assessments and architecture reviews.

§01 / QUESTIONSterm: OWASP Top 10 for LLM Applications
Questions

Common questions.

What are OWASP Top 10 for LLM Applications?

The OWASP Top 10 for Large Language Model Applications is a community-developed list of the most critical security risks in LLM-based systems, including prompt injection, insecure output handling, training data poisoning, and excessive agency.

How are OWASP Top 10 for LLM Applications used in production?

It is widely used as a baseline for AI agent security assessments and architecture reviews.

Which terms are related to OWASP Top 10 for LLM Applications?

Closely related concepts include Large Language Model (LLM), System Prompt, Indirect Prompt Injection, Model Factsheet. Each is defined in the Prefactor glossary.

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