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Contentful: CORS errors on CDA

Impact: majorStatus: resolvedStarted Resolved (1.1 h)3 updatesSource: stspg.io (opens in new tab)
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 archived incident (Sol). Check the timeline before relying on it.

Affected components: Content Delivery APIContent Delivery APIEU data residency - Content Delivery API

Timeline of updates

  1. identified

    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.

  2. monitoring

    The issue has been resolved. We are monitoring the situation.

  3. resolved

    The issue has been resolved.

Rewindex changes for this incident

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Contentful profile · Recent Contentful incidents · Markdown · JSON