Summary (tl;dr)

Cloudflare is experiencing another significant global outage today, December 5, 2025, causing numerous websites and online services to become inaccessible or display "500 Internal Server Error" messages, just weeks after a similar widespread disruption.

Essential Background

Cloudflare is a crucial internet infrastructure company that provides content delivery network (CDN) services, DDoS mitigation, and internet security for a vast number of websites and online applications globally. Its services help websites load faster and remain secure and accessible. When Cloudflare's network experiences issues, it can lead to widespread outages across the internet because so many services rely on its infrastructure. This current incident follows closely on the heels of a major Cloudflare outage that occurred on November 18, 2025, which was attributed to a bug in a Bot Management feature file.

The Full Story

On Friday, December 5, 2025, Cloudflare's network began experiencing significant service disruptions, leading to a new wave of widespread internet outages. Users attempting to access various websites are encountering "500 Internal Server Error" messages, indicating a problem on the server side. Cloudflare has acknowledged the issues, stating it is investigating problems with its Dashboard and related APIs, impacting customers who may experience failed requests or displayed errors. The outage has affected a multitude of popular services globally, including LinkedIn, Canva, and the outage tracking platform DownDetector. Indian trading platforms like Zerodha and Groww were also impacted during market hours. While the specific root cause is under investigation, reports suggest it could be related to scheduled maintenance in Cloudflare's Detroit (DTW) and Chicago data centers, or a recent action to disable some logging to mitigate a React CVE. Cloudflare has indicated that a fix has been implemented and is being monitored, though the impact was significant.

Why It Matters

This latest Cloudflare outage is a stark reminder of the internet's critical reliance on a few core infrastructure providers. Given that Cloudflare handles approximately 20% of all internet requests, any disruption to its services can have immediate and far-reaching consequences for individuals, businesses, and global connectivity. The repeated failures, occurring just weeks apart, raise concerns about the stability of essential internet infrastructure and highlight the fragility of the digital economy. For users, it means an inability to access vital online tools, communication platforms, and financial services, leading to widespread frustration. For businesses, it translates to lost revenue, disrupted operations, and potential damage to reputation.

Geographic Location

• Global (widespread internet service disruptions)
• Detroit, Michigan, United States (scheduled data center maintenance)
• Chicago, Illinois, United States (data center update)