Cloudflare Outage: Postmortem Lessons and CDN Dependency Risks

Published on 20.11.2025

ARCHITECTURE

Cloudflare's 6-Hour Outage: When Database Permissions Break the Internet

TLDR: Cloudflare's 6-hour outage affecting ChatGPT, Claude, Spotify, Uber, and thousands of other sites was caused by a database permissions change that doubled a Bot Management configuration file size, exceeding hard-coded limits and crashing the proxy layer.

The Pulse: Cloudflare takes down half the internet – but shares a great postmortem


This summary was generated from newsletter content and focuses on technical insights for experienced developers. Always verify critical information against official documentation.