OpenAI Codex Jailbreak Toolkit Hides Prompt Adware to Hijack AI Agents

# OpenAI Codex Jailbreak Toolkit Hides Prompt Adware to Hijack AI Agents

https://gcdradar.vercel.app/incidents/openai-codex-jailbreak-toolkit-hides-prompt-adware-to-hijack · AIR-2026-1773 · live

- Lane: Research
- Severity: 1 (Research / proof of concept): Research disclosure demonstrating an attack vector without reported exploitation.
- Fix status: Fix status unknown
- First reported: 2026-11-04
- AI role: Attack on AI
- Products: OpenAI Codex, Haiou jailbreak bundle

## Summary

Researchers uncovered a malicious OpenAI Codex jailbreak bundle designed to modify an AI agent's instructions and insert unauthorized advertisements. Codenamed Haiou, the toolkit alters configuration files to inject third-party AI gateway prompts.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-11-04: Researchers Uncover Prompt Adware Hidden in OpenAI Codex Jailbreak Toolkit (https://thehackernews.com/2026/11/researchers-uncover-prompt-adware.html)

## Sources

- 2026-11-04 The Hacker News: Researchers Uncover Prompt Adware Hidden in OpenAI Codex Jailbreak Toolkit https://thehackernews.com/2026/11/researchers-uncover-prompt-adware.html

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.