‘A hard truth for the AI era: don’t assume AI tools are secure by default’: OpenAI patches flaw allowing silent data leakage from ChatGPT conversations without users ever knowing
Check Point Research found ChatGPT flaw enabling silent data exfiltration via DNS abuse and prompt injection Vulnerability allowed attackers to bypass guardrails and steal sensitive user data through covert domain queries OpenAI patched issue on Feb 20, 2026, marking second major fix that week after Codex command injection flaw OpenAI has addressed a vulnerability in […]