4 articles
Cloudflare's February 20, 2026 outage was caused by a software bug that unintentionally withdrew 25% of BYOIP prefixes via BGP, disrupting services for over 6 hours.
Cloudflare caused a BGP route leak on January 22, 2026, due to an automated routing policy misconfiguration at their Miami data center, affecting IPv6 traffic for 25 minutes.
This post explains how a memory optimization change in Cloudflare's 1.1.1.1 DNS resolver accidentally reversed the order of CNAME records in DNS responses, causing widespread resolution failures on January 8, 2026.
Cloudflare outlines its 'Code Orange: Fail Small' resilience plan following two major network outages in November and December 2025.
