Cloudflare BlogOct 27, 20261 min read

Introducing the Cloudflare PHP Capture the Flag challenge

We are launching a PHP Capture the Flag challenge integrated with our Bug Bounty program to test our WAF protections. Security researchers are invited to...

Cloud Security

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What took the Internet offline in Q3 2026

An examination of global Internet disruptions observed by Cloudflare Radar during the third quarter of 2026. This review analyzes how power failures, natural...

NetworkingSecurity

1 min

Cloudflare16h ago

Cross-request KV cache exposure in the GLM-5.3 Workers AI model, and our remediation with SGLang

A configuration mismatch in GLM 5.3 on Workers AI triggered an SGLang bug that exposed KV cache pages across requests. Here is how we addressed the issue.

NetworkingSecurity

1 min

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