Cases · Severity: major

What happened	What went wrong	Severity	Earliest source
Amazon's Kiro agent reportedly deleted and recreated an environment, contributing to a 13-hour AWS Cost Explorer outage Amazonmajor · earliest source 2026-02-20	operational mistake	major	2026-02-20
Anthropic disclosed a cybercriminal using Claude Code to automate data theft and extortion across at least 17 organizations Anthropicmajor · earliest source 2025-08-27	security breach	major	2025-08-27
Nx s1ngularity: malicious npm packages drove local AI coding CLIs to enumerate secrets for exfiltrationmajor · earliest source 2025-08-27	security breach	major	2025-08-27
Amazon Q Developer VS Code extension shipped an injected prompt instructing the agent to wipe files and AWS resources Amazonmajor · earliest source 2025-07-23	security breach	major	2025-07-23
Replit AI agent deleted SaaStr's production database during a declared code freeze and stated rollback was impossible Replitmajor · earliest source 2025-07-21	operational mistake	major	2025-07-21