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52m ago

Cloudflare Outage Briefly Knocks Major Sites Offline Worldwide

The company attributes the 24-minute disruption to a Web Application Firewall parsing change deployed to mitigate a React vulnerability, not an attack.

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FILE - Lava lamps are seen through a lobby window at the headquarters of Cloudflare in San Francisco, Wednesday, Aug. 31, 2022. (AP Photo/Eric Risberg, File)
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A logo of CLOUDFLARE sits outside the company's house on the opening day of the 55th annual meeting of the World Economic Forum (WEF) in Davos, Switzerland, on Jan. 20, 2025.

Overview

  • Cloudflare said a fix was applied and systems are being monitored after an incident that produced widespread 5xx errors and blank pages.
  • Services using Cloudflare, including LinkedIn, Zoom, Canva, Shopify, Discord, Coinbase and ChatGPT, experienced access problems, and Downdetector was temporarily unreachable.
  • Cloudflare described the root cause as a change tied to its Web Application Firewall request parsing and related logging to address a disclosed React Server Components issue.
  • In India, brokers Zerodha and Groww reported login and trading disruptions during the outage before confirming service restoration.
  • The brief failure follows a larger incident in mid‑November and has renewed focus on the internet’s reliance on a few infrastructure providers and the need for stronger safeguards.