An improper timeout handling vulnerability exists in the ilab model serve component, which wraps the vllm JSON web API for interaction with a Large Language Model (LLM). When processing completion requests, the API accepts a parameter best_of that can cause excessive processing time if set to a large value. This improper handling can lead to a Denial of Service (DoS), making the API unresponsive to legitimate users. The issue primarily affects instances where the API is exposed beyond localhost.