What Happened During the Cloudflare Outage?
Cloudflare blames massive internet outage on a “latent bug” that disrupted services like ChatGPT, Spotify, and X on November 18, 2025. Users reported widespread connection issues, with websites loading slowly or not at all. Cloudflare quickly confirmed the problem, stating a routine configuration change triggered a hidden bug, causing network degradation. Within two hours, engineers implemented a fix and monitored systems to restore stability.
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Why Did Cloudflare Call It a ‘Latent Bug’?
According to Cloudflare CTO Dane Knecht, the outage was not caused by an attack. The “latent bug” existed in a service supporting the company’s bot mitigation tools. After a routine update, the bug triggered cascading failures across Cloudflare’s network. This explanation highlights how even minor, undetected software issues can ripple across the internet.
How Is Cloudflare Preventing Future Outages?
Cloudflare acknowledged its responsibility to customers and the broader internet. The company is reviewing testing protocols and infrastructure safeguards to ensure similar incidents do not recur. Knecht emphasized that lessons from this outage will inform future updates and monitoring improvements, aiming for more reliable service for millions of users worldwide.
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