OWASP LLM Top 10 2026: the model will be fooled, the question is what breaks
Brief
OWASP’s 2026 LLM Top 10, and the shift most of the coverage will miss
The OWASP GenAI Security Project published the 2026 edition of its Top 10 for LLM Applications . Prompt Injection stayed at number one. Sensitive Information Disclosure stayed at number two. Read the headlines and you would conclude that not much moved.
Something did move, and it is not in the rankings. The project leads open by telling you to stop trying to build a model that cannot be fooled, and to build the system around it so that when the model is fooled, nothing important breaks.
That is a change in what the job is. For two years the industry has been optimizing the model. This list says optimize the containment. It reframes the exercise as blast radius control rather than perfect prevention.
I agree with it.