{"type": "article", "title": "PlanFlip: Attacking Multi-Agent LLM Systems via Planning-Phase Prompt Injection", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/planflip-attacking-multi-agent-llm-systems-via-planning-phase-prompt-injection", "original_source": "https://arxiv.org/abs/2607.16199", "published": "2026-07-21T04:00:00+00:00", "accessed": "2026-07-21", "id": "planflip-attacking-multi-agent-llm-systems-via-planning-phase-prompt-injection"}