The Cloudflare Blog

Workers Builds, our CI/CD product for deploying Workers, monitors build issues by analyzing build failure metadata spread across over one million Durable Objects.

For the third consecutive year, Gartner has named Cloudflare to the Gartner® Magic Quadrant™ for Security Service Edge (SSE) report.

Cloudflare patched a vulnerability (CVE-2025-4366) in the Pingora OSS framework, which exposed users of the framework and Cloudflare CDN’s free tier to potential request smuggling attacks.

Real-time BGP route visualization is now available on Cloudflare Radar, providing immediate insights into global Internet routing.

Developers have a gut-felt understanding for performance, but that intuition breaks down when systems reach Cloudflare’s scale.

IPv4 is expensive, and moving network resources around is hard. Previously, when customers wanted to use multiple Cloudflare services, they had to bring a new address range.

In line with CISA’s Secure By Design pledge, Cloudflare shares its vulnerability disclosure process, CVE issuance criteria, and CNA duties.

Bots now browse like humans. We're proposing bots use cryptographic signatures so that website owners can verify their identity. Explanations and demonstration code can be found within the post.

Cloudflare introduces a one-click integration with Google tag gateway for advertisers.

udpgrm is a lightweight daemon for graceful restarts of UDP servers. It leverages SO_REUSEPORT and eBPF to route new and existing flows to the correct server instance.

Learn how Cloudflare tackles the challenge of scaling global service health metrics to safely release new software across our global network.

You can now connect to Cloudflare's first publicly available remote Model Context Protocol (MCP) servers from any MCP client that supports remote servers.

We’re teaming up with Anthropic, Asana, Atlassian, Block, Intercom, Linear, PayPal, Sentry, Stripe, and Webflow to launch new remote MCP servers, built on Cloudflare, to enable Claude users to manage

We're continuing to make it easier for developers to bring their services into the AI ecosystem with the Model Context Protocol (MCP) with two new updates.

A massive power outage struck significant portions of Portugal and Spain at 10:34 UTC on April 28, disrupting everyday activities and services.

DDoS attacks are surging. In 2025 Q1, Cloudflare blocked +20M attacks (a 358% YoY spike) along with 5.6 Tbps and 4.8 Bpps record-breaking attacks.

In Q1 2025, we observed Internet disruptions around the world caused by cable damage, power outages, natural disasters, fire, a cyberattack, and technical problems.

The EMEA region is a patchwork of diverse markets, industries, and regulatory environments, and it demands a partner-centric approach. That’s why I joined Cloudflare as VP of EMEA Partnerships.

After years navigating the world of high-growth tech, I’ve learned to recognize a special opportunity when I see one. That’s exactly why I’m thrilled to join Cloudflare as Chief People Officer.

We’ve closed out Developer Week 2025. Here’s a quick recap of the announcements and in-depth technical explorations that went out during the week.