November 2026 attacks trackerAgentBeam
Nov 4, 2026Agent incidentConfirmed (Check Point)

Haiou Codex jailbreak bundle plants ads in agent instructions

Check Point Research analysed Haiou 4.5.0, a Codex jailbreak bundle that rewrites the agent's global instructions so greetings trigger an ad for a third-party LLM gateway.

Full breakdown →Updated Nov 4, 2026, 10:01 UTC