Changes / Contentful / CORS errors on CDA
Contentful: Major incident: CORS errors on CDA
Summary
Contentful reported a major incident affecting some customers: CORS preflight failures for browser requests to cross-space references on CDA, including EU data residency. It started at 2026-09-29 14:39 UTC and was resolved at 2026-09-29 15:44 UTC, lasting 1 h 5 min; Contentful identified the cause but did not disclose it or the fix.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: CORS errors on CDA
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After: major
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After: resolved
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After: 2026-09-29 14:39 UTC
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After: 2026-09-29 15:44 UTC
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After: Content Delivery API, EU data residency - Content Delivery API
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After: Some customers are seeing CORS preflight failures when requesting cross-space references on CDA through webbrowsers. We've identified the cause and are working on resolution.
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After: The issue has been resolved. We are monitoring the situation.
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After: The issue has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: CORS errors on CDA (this change) Contentful reported a major incident affecting some customers: CORS preflight failures for browser requests to cross-space references on CDA, including EU data residency. It started at 2026-09-29 14:39 UTC and was resolved at 2026-09-29 15:44 UTC, lasting 1 h 5 min; Contentful identified the cause but did not disclose it or the fix. | Major incident |
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