Cloudflare Outage History

The Cloudflare global network suffered a widespread outage beginning on Nov 18, 2025 11:50 AM UTC, affecting core services including the Cloudflare Dashboard, CDN/Cache, Workers, Firewall, Bot Management, and the Cloud Network Interconnect. Users worldwide reported pages failing to load, API errors, and login issues to the dashboard, indicating a broad impact across geographies. The incident drew a high volume of user reports, underscoring its widespread reach and effect on many sites and applications.

Cloudflare reported a scheduled maintenance window in the London (LHR) region that briefly placed traffic under a degraded state. The window began around 12:00 AM UTC and the status moved to a warning at 12:05 AM UTC as maintenance proceeded.

The issue was resolved when Cloudflare returned to normal at 2:05 PM UTC. The provider issued two official updates during the event, and impact appeared localized to the London region. User reports were limited, with at least one sample referencing connectivity issues from Sri Lanka during the window.

The outage began on Nov 11, 2025 6:35 AM UTC with scheduled maintenance in Miami. Within hours, Ashburn, US network connectivity issues were reported (by Nov 11, 2025 10:20 AM UTC), followed by regional maintenance in Johannesburg later that day. The disruption escalated to widespread problems with Cloudflare Dashboard and Cloudflare API services, with API requests and dashboard interactions failing for customers. The incident expanded to other Cloudflare services including Spectrum TLS termination, and later issues affected Page Shield ingestion, WARP and Zero Trust, and multiple edge components. Cloudflare issued frequent status updates describing ongoing investigations and resolutions as the incident progressed. The disruption persisted until Nov 15, 2025 6:35 AM UTC when status returned to up.

Cloudflare experienced a broad degradation impacting a wide range of services including WARP and Zero Trust, Gateway, Email Routing, Pages, and more. Users reported login issues, slow or failed page loads, and delays in email forwarding and API responses. The incident began on Oct 28, 2025 1:05 AM UTC and persisted for about two weeks, with ongoing regional maintenance and investigations as Cloudflare worked to restore normal operations.

Cloudflare’s status updates reflect a multi-faceted remediation effort across many components. Over the course of the incident, the company issued numerous updates across Cloudflare's products, noting investigations, scheduled maintenance in regional facilities, temporary workarounds, and eventual restoration of affected services. Issues touched SSL provisioning, WARP and Gateway traffic, Email Routing, Pages deployments, Dashboard onboarding, Turnstile, Analytics, and Firewall features, among others.

Impact was broad and reflected in a noticeable volume of user reports from many regions, indicating widespread disruption across Cloudflare's edge network. By Nov 11, 2025 5:00 AM UTC, Cloudflare reported recovery as services returned to normal across monitored components, though some regional or product-specific issues may have persisted briefly during remediation.

The incident began on Oct 26, 2025 4:40 PM UTC when Cloudflare moved to a warning after reports of elevated errors and some aborted requests in the Workers environment. An earlier window of degraded performance was observed between 3:20 PM UTC and 3:27 PM UTC UTC in impacted regions. Some customers experienced access problems and higher error rates during this period.

Over the following days, Cloudflare issued five status updates describing Bot Management issues and regional maintenance in Sydney and Bangalore as mitigations progressed. The primary affected components were Cloudflare Sites and Services / Workers and Bot Management, with maintenance in SYD and BLR in progress at various times. The situation gradually improved, and services returned to normal after Oct 28, 2025 1:00 AM UTC. A small number of user reports accompanied the incident, but there was no widespread, sustained global outage.

From Oct 21, 2025 3:20 PM UTC, Cloudflare experienced browser rendering problems that hindered access to sites using Cloudflare rendering. The outage quickly escalated to affect multiple Cloudflare services, including Workers, Data Loss Prevention (DLP), API endpoints, Radar, and Durable Objects, with users reporting degraded performance and intermittent connectivity across the globe. The impact appeared worldwide, with issues reported in many regions over several days.

Cloudflare issued a series of status updates, marking investigations and remediation efforts across many components. The incident included degraded load balancing health monitors, elevated latency for R2 in APAC/ENAM, dynamic changes in Browser Rendering and Radar, and later problems with Turnstile and bot management. The issues spread across many locations such as ORD, FRA, LHR, SIN and Basra, with several components moving between up, warn, and down states. On Oct 26, 2025 1:30 PM UTC, Browser Rendering-related issues were resolved and affected services began returning to normal.

Overall, the outage lasted from Oct 21, 2025 3:20 PM UTC to Oct 26, 2025 1:30 PM UTC, spanning roughly four days, and involved multiple Cloudflare products and edge regions. The incident underscores the breadth of Cloudflare's edge network and the interdependence of its services, with ongoing updates and fixes as engineers responded to the disruption.

Cloudflare conducted scheduled maintenance in the Frankfurt region (FRA) beginning around 12:00 AM UTC. The status page noted the window as in progress maintenance and promised updates as needed. Some users reported connectivity issues during the window, including Australian users who observed service disruptions around 3:15 AM UTC to 3:22 AM UTC.

Cloudflare reported a brief degraded performance affecting the Cloudflare Research Service, including research.cloudflare.com and related cloudflareresearch.com products. The issue was first acknowledged as an investigation at Oct 18, 2025 6:17 PM UTC, with the status updating to degraded at Oct 18, 2025 6:55 PM UTC and the service returning to normal by Oct 18, 2025 7:00 PM UTC. Cloudflare communicated the incident on the status page and issued two updates during the event, with the service restored shortly after the final update. The incident lasted roughly 5 minutes and affected specific research-related services on Cloudflare.

Cloudflare reported issues affecting research.cloudflare.com and various Cloudflare Research products used by cloudflareresearch.com, leading to degraded access for affected users. The outage began on Oct 18, 2025 6:20 PM UTC and was resolved by Oct 18, 2025 6:45 PM UTC. The incident was short, lasting about 25 minutes, and the affected services appeared to be limited to Cloudflare Research offerings.

Cloudflare faced a multi-day sequence of intermittent issues affecting multiple services. The incident began at Oct 12, 2025 10:05 PM UTC with intermittent inability to update Cloudflare One application statuses and affected components including Gateway, Distributed Web Gateway, Web3 API, Workflows, Registrar, Browser Isolation, and Logs. Regional maintenance and issues were observed in Lisbon, Milan, Singapore, and Bangkok as the situation unfolded.

Cloudflare documented the event through 12 official status updates from Oct 12, 2025 10:05 PM UTC to Oct 18, 2025 6:55 AM UTC, describing ongoing investigations, mitigations, and scheduled maintenance. The incident gradually moved toward recovery, with the Logs component restored by Oct 18, 2025 6:55 AM UTC and many services returning to normal operation, though some users may have experienced degraded performance during the period. The impact appeared regional and service-specific rather than a single global outage, with reports from multiple regions over the course of the event.