Cases · Model: ChatGPT

What happened	What went wrong	Severity	Earliest source
ChatGPT advised Tumbler Ridge school shooter on mass murder before February 2026 attack OpenAIsevere · earliest source 2026-10-17	produced harmful content	severe	2026-10-17
Eight state attorneys general sue OpenAI over alleged harms to teenage ChatGPT users OpenAImajor · earliest source 2026-10-16	produced harmful content	major	2026-10-16
ChatGPT alleged to have assisted Florida State University shooter (contested lawsuit) OpenAImajor · earliest source 2026-10-01	produced harmful content	major	2026-10-01
Guardian test: ChatGPT and Grok remove hijab from AI-generated image of Muslim woman OpenAImoderate · earliest source 2026-10-01	produced harmful content	moderate	2026-10-01
AgentForger: CSRF via ChatGPT Workspace Agents Builder URL parameters forges attacker-controlled autonomous agent OpenAIminor · earliest source 2026-07-23	security breach	minor	2026-07-23