OpenAI Patches ChatGPT Data Exfiltration Flaw and Codex GitHub Token Vulnerability

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A previously unknown vulnerability in OpenAI ChatGPT allowed sensitive conversation data to be exfiltrated without user knowledge or consent, according to new findings from Check Point.
« A single malicious prompt could turn an otherwise ordinary conversation into a covert exfiltration channel, leaking user messages, uploaded files, and other sensitive content, » the cybersecurity company said in

Source : https://thehackernews.com/2026/03/openai-patches-chatgpt-data.html