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: TheHackerNews
Source Link: https://thehackernews.com/2026/11/researchers-uncover-prompt-adware.html