Cloudflare outage on December 5, 2025

Cloudflare experienced a significant traffic outage on December 5, 2025, starting approximately at 8:47 UTC. The incident lasted approximately 25 minutes before resolution. We are sorry for the impact that it caused to our customers and the Internet. The incident was not caused by an attack and was due to configuration changes being applied to attempt to mitigate a recent industry-wide vulnerability impacting React Server Components.

Engradar shows a summary and links to the original article. The full article is hosted on blog.cloudflare.com.