Cybersecurity

Cloudflare Resolves Global Outage That Disrupted ChatGPT, X

Cloudflare headquarters in San Francisco.Photographer: David Paul Morris/Bloomberg

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By Lynn Doan and Rose Henderson

November 18, 2025 at 12:18 PM UTC

Updated on

November 18, 2025 at 4:33 PM UTC

A major outage on the network of cybersecurity firm Cloudflare Inc. was resolved after disrupting websites ranging from X to ChatGPT around the globe for several hours on Tuesday.

The problem also affected websites for the chief US energy regulator and the New Jersey transit authority. Many services were back online by 10 a.m. in New York.