Outage in Fastly
Impacted performance to our Content Delivery (CDN)
Resolved Minor
August 20, 2026 - Started 22 days ago
- Lasted 6 days
Incident Report
Summary AI Generated
Fastly's Content Delivery (CDN) service experienced an issue where a subset of requests returned empty response bodies instead of expected content, affecting only requests using the Streaming Miss feature with HTTP response revalidation eligibility. Engineers identified multiple contributing factors and developed a mitigation strategy, confirming resolution on August 21, 2026 at 10:19 UTC after approximately 145 hours. All other Fastly products and services remained unaffected throughout the incident.
We are investigating a small number of requests receiving an empty response body where content is expected. Impact is limited to requests that use Streaming Miss and are eligible for HTTP response revalidation.All other products and services are unaffected by this incident.
Components affected
Fastly Content Delivery (CDN)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
21 days ago - at 08/22/2026 03:15AM
[in progress]
Fastly Engineering continues to monitor for any unexpected ongoing impact. If your users see empty response bodies after 17:00 PM UTC on August 21, 2026 on services using the streaming miss feature, please contact Fastly Support.
22 days ago - at 08/21/2026 10:19AM
Engineering has confirmed the impact to our Content Delivery (CDN) service has been mitigated.
22 days ago - at 08/21/2026 12:33AM
Our engineers have identified an additional contributing factor and are developing an adjusted mitigation strategy to our Content Delivery (CDN) service.All other locations and services are unaffected.
22 days ago - at 08/20/2026 11:32PM
Our engineers believe they have identified contributing factor causing the issue impacting the Content Delivery (CDN) status page component. We are now developing a fix, and will post a new update once it has been fully implemented and we see signs of recovery.All other products and services are unaffected by this incident.
22 days ago - at 08/20/2026 10:33PM
We are investigating a small number of requests receiving an empty response body where content is expected. Impact is limited to requests that use Streaming Miss and are eligible for HTTP response revalidation.All other products and services are unaffected by this incident.
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