
- Tenable says it found seven prompt injection flaws in ChatGPT-4o, dubbed the “HackedGPT” attack chain
- Vulnerabilities include hidden commands, memory persistence, and safety bypasses via trusted wrappers
- OpenAI fixed some issues in GPT-5; others remain, prompting calls for stronger defense
ChatGPT has a slew of security issues that could allow threat actors to insert hidden commands, steal sensitive data, and spread misinformation into the AI tool, security researchers are saying.