Researchers Uncover Prompt Adware Hidden in OpenAI Codex Jailbreak Toolkit

Summary by Cyber Security News4 Nov 2026, 17:06 CET

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Cybersecurity researchers have disclosed details of an OpenAI Codex jailbreak bundle that's designed to modify an artificial intelligence (AI) agent's trusted instructions to insert advertisements for a third-party AI gateway. The phenomenon has been codenamed prompt adware by Check Point Research. Called Haiou (meaning Seagull in Chinese), the jailbreak modifies OpenAI Codex's configuration

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