---
title: "Researchers Uncover Prompt Adware Hidden in OpenAI Codex Jailbreak Toolkit"
type: signal
url: https://frontiernewswire.com/s/researchers-uncover-prompt-adware-hidden-in-openai-codex-jailbreak-7305b515
published: 2026-11-04T16:06:43.000Z
byline: "Source: The Hacker News"
---

# Researchers Uncover Prompt Adware Hidden in OpenAI Codex Jailbreak Toolkit

Source: The Hacker News · Published 2026-11-04 · Canonical: https://frontiernewswire.com/s/researchers-uncover-prompt-adware-hidden-in-openai-codex-jailbreak-7305b515

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

In this story: [OpenAI Codex](https://frontiernewswire.com/models/openai-codex), [OpenAI](https://frontiernewswire.com/companies/openai), [Cybersecurity](https://frontiernewswire.com/topics/cybersecurity)

## Sources

- [Read the original at The Hacker News](https://thehackernews.com/2026/11/researchers-uncover-prompt-adware.html)

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