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Cloudflare Workers Outage History

Every past Cloudflare Workers outage tracked by IsDown, with detection times, duration, and resolution details.

There were 64 Cloudflare Workers outages since September 2025. The 64 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 20, 2026

May 2026: Workers subrequests returning 1006

Detected May 20, 2026 1:22 PM EDT · Resolved May 20, 2026 3:42 PM EDT · Duration about 2 hours

Cloudflare Workers experienced issues with subrequests returning 1006 errors, affecting Workers and Cloudflare Sites and Services for 2.3 hours. The problem was identified and a fix was implemented, with monitoring ongoing to ensure resolution.

Minor May 19, 2026

May 2026: Workers AI availability issues

Detected May 19, 2026 6:59 AM EDT · Resolved May 19, 2026 7:59 AM EDT · Duration about 1 hour

Cloudflare Workers AI experienced availability issues affecting several AI models for approximately 1 hour. The incident impacted Cloudflare Sites and Services along with the Workers AI component. Cloudflare identified the root cause, implemented a fix, and restored service while monitoring for stability.

Minor May 6, 2026

May 2026: Cloudflare Dashboard Workers Editor Unavailable

Detected May 6, 2026 12:29 PM EDT · Resolved May 6, 2026 12:57 PM EDT · Duration 28 minutes

Cloudflare experienced an issue with the Workers Editor in their dashboard that prevented users from accessing the web-based code editor for 28 minutes. Customers could still deploy and update Worker code through alternative methods including Wrangler, Terraform, or the API during the outage. A fix was implemented and the service was restored to normal operation.

Minor May 5, 2026

May 2026: Workers API Issue

Detected May 5, 2026 9:12 PM EDT · Resolved May 5, 2026 9:40 PM EDT · Duration 28 minutes

Cloudflare Workers experienced API failures that prevented customers from using the Workers API, though existing production Workers continued running normally. The incident affected Workers, Workers Builds, and Cloudflare Sites and Services for 28 minutes. A fix was implemented and monitoring confirmed the resolution.

Minor May 5, 2026

May 2026: Slower build start time in Workers Builds

Detected May 5, 2026 11:26 AM EDT · Resolved May 5, 2026 2:19 PM EDT · Duration about 3 hours

Cloudflare Workers experienced slower build start times for 2.9 hours, with some Workers Builds users encountering increased build dequeue times. The issue affected Cloudflare Sites and Services along with Workers Builds components. A fix was identified and implemented, with monitoring confirming the resolution.

Minor May 4, 2026

May 2026: Increased build dequeue duration in Workers Builds

Detected May 4, 2026 4:20 PM EDT · Resolved May 4, 2026 6:04 PM EDT · Duration about 2 hours

Cloudflare Workers experienced a service incident where some Workers Builds users encountered significantly increased build dequeue times, with some builds becoming stuck in a queued state indefinitely. The issue affected Cloudflare Sites and Services along with Workers Builds functionality. The incident was resolved after 1.7 hours.

Minor April 20, 2026

April 2026: Rulesets Rate Limiting accuracy

Detected Apr 20, 2026 6:13 AM EDT · Resolved Apr 20, 2026 7:07 PM EDT · Duration about 13 hours

Cloudflare Workers experienced an issue where some requests were not correctly enforcing rulesets rate limiting counts, affecting Cloudflare Sites and Services, Workers, and Rules components. The incident lasted 12.9 hours and was resolved with a fix that restored proper rate limiting enforcement.

Minor April 17, 2026

April 2026: Cloudflare Workers AI Issues

Detected Apr 17, 2026 6:19 PM EDT · Resolved Apr 17, 2026 10:19 PM EDT · Duration about 4 hours

Cloudflare Workers AI experienced issues where customers encountered errors when making inference requests to the @cf/baai/bge-m3 model. The problem affected Cloudflare Sites and Services and Workers AI components for 4 hours. Cloudflare identified the root cause, implemented a fix, and is monitoring the results.

Minor April 17, 2026

April 2026: Elevated 502 errors returned from some locations

Detected Apr 17, 2026 12:58 PM EDT · Resolved Apr 17, 2026 1:26 PM EDT · Duration 28 minutes

Cloudflare Workers experienced elevated 502 errors from certain locations, affecting multiple services including Cloudflare Sites and Services, CDN/Cache, R2, and Workers KV. The incident lasted 28 minutes, with a fix implemented and monitoring initiated to ensure resolution.

Minor April 15, 2026

April 2026: Cloudflare Workers API Latency

Detected Apr 15, 2026 10:39 AM EDT · Resolved Apr 15, 2026 12:11 PM EDT · Duration about 2 hours

Cloudflare Workers experienced increased API latency for 1.5 hours, specifically affecting Workers Builds via webhooks from git providers. Customers experienced longer wait times when building projects from git connections, while production Workers remained unaffected. The issue was identified and a fix was implemented to resolve the latency problem.