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Researchers Uncover Prompt Adware Hidden in OpenAI Codex Jailbreak Toolkit

Nov 4, 2026, 04:06 PM · by The Hacker News

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

Source: The Hacker News