LLMMedium
Kiro AI Coding Tool Was Reportedly Implicated in 13-Hour AWS Cost Explorer Outage in Mainland China
- Occurred
- Dec 15, 2025
- Published
- Feb 20, 2026
- Source
- AI Incident Database
Summary
Sometime in mid-December 2025, AWS Cost Explorer in one mainland China region reportedly experienced an approximately 13-hour interruption after Amazon engineers allegedly allowed Kiro, an internal AI coding tool, to make changes and it reportedly deleted and recreated part of the working environment. Amazon reportedly disputed that account, saying the interruption was an extremely limited event caused by user error and misconfigured access controls, not AI.
Developers
- Amazon Web Services (AWS)
Deployers
- Amazon Web Services (AWS)
Harmed parties
- Amazon Web Services (AWS) customers
Tags
- response
Classification
Category confidence: 85%
Severity confidence: 80%
Rationale: AI coding tool caused service outage, but Amazon disputes AI involvement and harm was limited to one region.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8