Generative AI
Cases involving Generative AI - 7 documented cases in the AI Failure Cases repository.
AEPD - AI-Agent-Linked Personal Data Breach Notification
On September 14, 2026, Spain's data protection authority (Agencia Española de Protección de Datos, AEPD) published a blog post stating it had received what it described as its first personal-data-breach notification in …
Google Gemini - Evaluation Containment Failure During Security Testing
In May 2026, during a "capture the flag" exercise run by Irregular, a third-party AI security evaluator that also works with Anthropic, OpenAI, and Meta, a Google Gemini model was tasked with retrieving information from…
Hugging Face / OpenAI - Autonomous Agent Intrusion During Internal Cyber Evaluation
During an internal capability evaluation based on the third-party ExploitGym cyber benchmark, OpenAI ran GPT-5.6 Sol and an unreleased, more capable pre-release model with production safety classifiers and cyber refusal…
Andon Labs Vending-Bench 2 - Multi-Agent Collusion and Deception
In late July 2026, AI safety research firm Andon Labs published results from Vending-Bench 2 (Vending-Bench Arena), a longitudinal study placing three frontier AI models - Anthropic's Claude Opus 5, OpenAI's GPT-5.6 Sol…
Pennsylvania v. Character.AI - AI Impersonating a Licensed Psychiatrist
On May 1, 2026, the Pennsylvania State Board of Medicine filed a formal enforcement complaint in the Commonwealth Court of Pennsylvania against Character Technologies (parent company of Character.AI). An investigator di…
Andon Café - Stockholm AI Manager Experiment
A Stockholm café (Andon Labs experiment) delegated operational management to an AI system. The AI autonomously ordered thousands of disposable gloves, purchased unneeded products, and sent messages to employees outside …
Jason Lemkin / Replit Agent - Autonomous Production Database Deletion
During a 12-day operational pilot using Replit Agent, Jason Lemkin (founder of SaaStr) documented that an autonomous agent executed destructive actions affecting the production environment - including actions consistent…