# OpenAI API Flaw Exposes AI Model Reasoning Traces > Source: > Published: 2026-10-27 16:55:17+00:00 Researchers uncovered a vulnerability in the OpenAI API, dubbed "compaction smuggling," which allowed them to extract raw reasoning traces from AI models - information that OpenAI typically keeps under wraps. The flaw has since been fixed, with OpenAI paying a $6,000 bug bounty to the researchers who discovered it.