Who Is Cloudflare?
Cloudflare is a major internet infrastructure provider offering services such as content-delivery, web-traffic routing, DDoS protection, APIs and security tools for millions of websites worldwide. According to the company, it supports around 20% of all websites globally.
What Went Wrong Twice in Few Weeks
In the last weeks, Cloudflare suffered two major outages that disrupted a large portion of the internet.
Major Outage 18 November 2025
On 18 November 2025, a configuration change internally triggered a “latent bug” in Cloudflare’s bot-management subsystem. The result: a core network failure that caused widespread errors for many end users trying to reach popular services.
Sites and platforms impacted included high-traffic services such as ChatGPT, streaming services, social platforms and more effectively making large parts of the web unreachable for several hours.
New Outage 05 December 2025
On 5 December 2025, Cloudflare again experienced a disruption, this time caused by a firewall-related change deployed to address a recently disclosed security vulnerability. That change caused unexpected failures in traffic processing, leading to a fresh wave of downtime for many websites and services.
The interruption, although relatively brief, was enough to derail access to major platforms including business, communication, and crypto-exchange services and triggered renewed concerns over the fragility of centralized internet dependencies.
Why These Failures Matter
- Over-centralization risk: With one provider serving a fifth of the web, a single fault can cascade globally and instantly.
- Trust & reliability issues: Businesses and users depend on Cloudflare for security, performance, and uptime such outages undermine confidence in the digital ecosystem’s stability.
- Underscored fragility: The incidents expose how thin the line can be between “the web works” and “the web is broken” even for major platforms.
Cloudflare’s Response
After the November outage, Cloudflare published a detailed post-mortem explaining that the failure was caused by a misconfigured database permission that led to an oversized “feature file” used by their Bot Management system which crashed the traffic routing software.
The company pledged to harden its configuration-handling, introduce global “kill switches,” and expand error-handling routines to avoid similar failures in the future.
A Warning for the Web
The repeated outages raise a critical question: Should we rely so heavily on a handful of large providers for the backbone of the internet? When much of the web hinges on a single company, entire ecosystems become vulnerable to single points of failure.
Architects and sysadmins in the industry are now sounding the alarm calling for more decentralization, redundancy, and diversification to prevent cascading collapses like those of Cloudflare.
Key Takeaway
Cloudflare’s recent troubles are a stark reminder that the internet for all its immaterial convenience rests on fragile infrastructure. As users and developers, we must ask ourselves whether convenience should outweigh resilience. The future of a stable, reliable web may depend on rediscovering redundancy, not centralization.