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negativeSYS.SOURCE: The Hacker News• 2026-11-04T21:36:43+05:30

Discovery of Prompt Adware in OpenAI Codex Jailbreak Toolkit

Cybersecurity researchers have identified a jailbreak toolkit for OpenAI Codex that injects third-party advertisements by modifying AI agent instructions. The malicious payload, named Haiou by Check Point Research, operates as 'prompt adware' to compromise AI system integrity.

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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