To their credit, Cloudflare wrote a transparent and detailed postmortem. More orgs should aim for this. These kinds of postmortems are great learning opportunities.
blog.cloudflare.com/18-november-...
blog.cloudflare.com/18-november-...
Cloudflare outage on November 18, 2025
Cloudflare suffered a service outage on November 18, 2025. The outage was triggered by a bug in generation logic for a Bot Management feature file causing many Cloudflare services to be affected.
blog.cloudflare.com
November 21, 2025 at 12:40 AM
To their credit, Cloudflare wrote a transparent and detailed postmortem. More orgs should aim for this. These kinds of postmortems are great learning opportunities.
blog.cloudflare.com/18-november-...
blog.cloudflare.com/18-november-...