User-input leakage occurs when sensitive information entered into an AI system is exposed through weak session management, logging practices, or fine-tuning procedures. Users may share personal or financial identifiers, proprietary business data, and confidential communications believing their conversations are private. section 11.5.1
Cross-session exposure
An early ChatGPT caching bug exposed parts of some users’ chat histories to other users, illustrating how session handling can leak conversation data. section 11.5.1
