New.
"A single malicious prompt could activate a hidden exfiltration channel inside a regular ChatGPT conversation."
Check Point: ChatGPT Data Leakage via a Hidden Outbound Channel in the Code Execution Runtime https://research.checkpoint.com/2026/chatgpt-data-leakage-via-a-hidden-outbound-channel-in-the-code-execution-runtime/ #infosec #vulnerability #threatresearch #ChatGPT #OpenAI

ChatGPT Data Leakage via a Hidden Outbound Channel in the Code Execution Runtime - Check Point Research
Key Takeaways What Happened AI assistants now handle some of the most sensitive data people own. Users discuss symptoms and medical history. They ask questions about taxes, debts, and personal finances, upload PDFs, contracts, lab results, and identity-rich documents that contain names, addresses, account details, and private records. That trust depends on a simple expectation: […]