Cloudflare broke itself and a big chunk of the Internet with a bad database query

Posted by bob on Nov 19, 2025 4:48 AM EDT
The Register
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Thought it was the victim of a ‘hyper-scale DDoS attack’ before finding the fix Cloudflare CEO Matthew Prince has admitted that the cause of its massive Tuesday outage was a change to database permissions, and that the company initially thought the symptoms of that adjustment indicated it was the target of a “hyper-scale DDoS attack,” before figuring out the real problem.…

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