Cloudflare outage caused by bad software deploy (updated)

Starting at 1342 UTC today we experienced a global outage across our network that resulted in visitors to Cloudflare-proxied domains being shown 502 errors (“Bad Gateway”). The cause of this outage was deployment of a single misconfigured rule within the Cloudflare Web Application Firewall (WAF)

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