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Cloudflare service outage June 12, 2025

On June 12, 2025, Cloudflare suffered a significant service outage that affected a large set of our critical services, including Workers KV, WARP, Access, Gateway, Images, Stream, Workers AI, Turnstile and Challenges, AutoRAG, Zaraz, and parts of the Cloudflare Dashboard. This outage lasted 2 hours and 28 minutes, and globally impacted all Cloudflare customers using […]

Celebrating 11 years of Project Galileo’s global impact

June 2025 marks the 11th anniversary of Project Galileo, Cloudflare’s initiative to provide free cybersecurity protection to vulnerable organizations working in the public interest around the world. From independent media and human rights groups to community activists, Project Galileo supports those often targeted for their essential work in human rights, civil society, and democracy building. […]

We shipped FinalizationRegistry in Workers: why you should never use it

We’ve recently added support for the FinalizationRegistry API in Cloudflare Workers. This API allows developers to request a callback when a JavaScript object is garbage-collected, a feature that can be particularly relevant for managing external resources, such as memory allocated by WebAssembly (Wasm). However, despite its availability, our general advice is: avoid using it directly […]

Cloudflare named a Strong Performer in Email Security by Forrester

Today, we are excited to announce that Forrester has recognized Cloudflare Email Security as a Strong Performer and among the top three providers in the ‘current offering’ category in “The Forrester Wave™: Email, Messaging, And Collaboration Security Solutions, Q2 2025” report. Get a complimentary copy of the report here. According to Forrester: “Cloudflare is a […]

Cloudflare named in 2025 Gartner® Magic Quadrant™ for Security Service Edge

For the third consecutive year, Gartner has named Cloudflare in the Gartner® Magic Quadrant™ for Security Service Edge (SSE) report. This analyst evaluation helps security and network leaders make informed choices about their long-term partners in digital transformation. We are excited to share that Cloudflare is one of only nine vendors recognized in this year’s […]

Resolving a request smuggling vulnerability in Pingora

On April 11, 2025 09:20 UTC, Cloudflare was notified via its Bug Bounty Program of a request smuggling vulnerability (CVE-2025-4366) in the Pingora OSS framework discovered by a security researcher experimenting to find exploits using Cloudflare’s Content Delivery Network (CDN) free tier which serves some cached assets via Pingora. Customers using the free tier of […]

Bringing connections into view: real-time BGP route visibility on Cloudflare Radar

The Internet relies on the Border Gateway Protocol (BGP) to exchange IP address reachability information. This information outlines the path a sender or router can use to reach a specific destination. These paths, conveyed in BGP messages, are sequences of Autonomous System Numbers (ASNs), with each ASN representing an organization that operates its own segment […]

Vulnerability transparency: strengthening security through responsible disclosure

In an era where digital threats evolve faster than ever, cybersecurity isn’t just a back-office concern — it’s a critical business priority. At Cloudflare, we understand the responsibility that comes with operating in a connected world. As part of our ongoing commitment to security and transparency, Cloudflare is proud to have joined the United States […]

Thirteen new MCP servers from Cloudflare you can use today

You can now connect to Cloudflare’s first publicly available remote Model Context Protocol (MCP) servers from Claude.ai (now supporting remote MCP connections!) and other MCP clients like Cursor, Windsurf, or our own AI Playground. Unlock Cloudflare tools, resources, and real time information through our new suite of MCP servers including:  Server Description Cloudflare Documentation server […]