Outage in Cloudflare
Intermittent 5xx errors for Cloudflare Access authentication requests
Resolved MinorIncident Report
Summary AI Generated
A subset of Cloudflare Access customers experienced intermittent HTTP 500 errors on authentication requests beginning April 21, with impact limited to a small percentage of requests in specific geographies and service authentication requests seeing the highest error rates. The incident affected Cloudflare Sites and Services and Access components for 26.8 hours. Cloudflare engineering implemented a fix through a controlled rollout across impacted regions, with error rates decreasing as the deployment progressed.
Beginning April 21, a subset of Cloudflare Access customers experienced intermittent HTTP 500 errors on authentication requests. Impact is limited to a small percentage of requests in specific geographies. Service authentication requests are seeing the highest share of the errors.
Cloudflare engineering is progressing a corrected rollout under tighter monitoring.
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Latest Updates ( sorted recent to last )
MONITORING
about 1 month ago - at 04/24/2026 10:02PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
about 1 month ago - at 04/24/2026 08:17PM
A fix has been identified and is being deployed in a controlled rollout across impacted regions. Cloudflare engineering is observing a decrease in overall error rates as the rollout progresses. Errors will continue to occur intermittently until the deployment is complete across all affected infrastructure. We will continue to monitor and provide updates as the rollout advances.
MONITORING
about 1 month ago - at 04/24/2026 05:05AM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
about 1 month ago - at 04/23/2026 09:05PM
Beginning April 21, a subset of Cloudflare Access customers experienced intermittent HTTP 500 errors on authentication requests. Impact is limited to a small percentage of requests in specific geographies. Service authentication requests are seeing the highest share of the errors.
Cloudflare engineering is progressing a corrected rollout under tighter monitoring.
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