AI BriefingCloudflare Blog news
The latest AI and developer news from Cloudflare Blog, with short summaries.
Visit website →You can build a dedicated cache in front of your Worker
Cloudflare has launched Workers Cache, a regional tiered cache positioned right in front of Worker endpoints.
Empowering Site Operators: New AI Traffic Management Options for All Customers
Website operators can now distinguish and manage Search, Agent, and Training bots separately, while also protecting ad pages.
Making AI Search Smarter
Two new initiatives are being launched to protect content creators' visibility and revenue in the age of AI.
The Post-Quantum Cryptography Executive Order Is an Important Milestone—Now It's Time to Execute
The new Post-Quantum Cryptography Executive Order lays the groundwork for post-quantum security by setting a transition deadline of 2030.
The Process of Discovering a Bug in the hyper HTTP Library
While rearchitecting the Images binding structure, a bug that had existed across several versions of the open-source hyper library was discovered.
Building Your Own Vulnerability Detection Harness
This explains how to build a model-agnostic security scanning pipeline that leverages multiple LLMs for cross-validation without relying on a single model.
Cloudflare Expands Support for More Agent Harnesses and Frameworks, Starting with Flue
Cloudflare has opened up the primitives of the Agents SDK and introduced Flue as its first supported framework.
Applying First AS Verification in BGP AS_PATH
A mechanism to verify the first AS in the AS_PATH is needed to prevent BGP routing hijacks and path leaks.
How boot time for Core units was reduced from hours to minutes
By leveraging UEFI data structures and iPXE automation, the boot time of Core servers was reduced from 4 hours to just minutes.
Sudden Performance Degradation in Billing Pipeline, Root Cause Traced to a Hidden ClickHouse Bottleneck
We identified and patched a query planner lock contention issue in a petabyte-scale ClickHouse cluster.
When 'idle' isn't idle: how a Linux kernel optimization became a QUIC bug
A bug was discovered in which a flawed idle-state measurement in the Linux kernel caused the CUBIC congestion control window to get stuck at its minimum value, causing QUIC performance to plummet.
How to Respond to DNSSEC Errors: A Case Study of the .de TLD Outage
This explains the DNSSEC signature error in the .de TLD that occurred on May 5, 2026, and how 1.1.1.1 responded to it.
Code Orange: 'Fail Small' Complete, an Even Stronger Cloudflare Network
Cloudflare has completed the 'Fail Small' project, introducing Snapstone and Engineering Codex to boost infrastructure resilience.
Introducing Dynamic Workflows: durable execution that follows the tenant
Dynamic Workflows instantly routes durable execution to tenant-provided code, handling millions of workflows at low cost.
Stabilizing Rust Workers with panic and abort recovery in wasm-bindgen
panic=unwind and abort recovery prevent sandbox poisoning in Rust Workers.
Beyond Bots and Humans
The core issue on the web is not distinguishing bots from humans, but discerning the intent and behavior behind a request.
Introducing the Agent Readiness score: Is your site agent ready
Cloudflare has unveiled the Agent Readiness score, which diagnoses how well a site is prepared for AI agents.
Shared Dictionaries: Compression that keeps up with the agentic web
Cloudflare uses shared dictionary compression to shrink redeployed JS down to just a few KB.
Feature Flags for the AI Era: Introducing Flagship
Cloudflare has unveiled Flagship, an OpenFeature-compatible service built on Workers/KV/DO.
Agents Week: Network Performance Update
Cloudflare achieved the #1 ranking in 60% of the top networks through infrastructure and software optimizations.