# Contentstack: Critical incident: Contentstack - AWS EU - Full outage

**Summary:** _summary pending_
- Kind: Major incident · Label: critical (vendor)
- Changed: 2026-04-11 06:18 UTC · Detected: 2026-10-19 18:33 UTC
- [Source: https://stspg.io/97rjf9sh5nx8](https://stspg.io/97rjf9sh5nx8)
- [Company: Contentstack](https://rewindex.com/company/contentstack.md)
- Versions: before (none: first archived) → after incident\_version:728/0trk7rvrxczt@2ccecd91b528
- Change 1 of 1 for this incident

Incident page (full timeline): [Contentstack - AWS EU - Full outage](https://rewindex.com/company/contentstack/incidents/0trk7rvrxczt.md)
## What changed

**1. Added: Title**

```diff
+ Contentstack - AWS EU - Full outage
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-04-11 06:18 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-04-11 07:32 UTC
```

**6. Added: Affected components**

```diff
+ Amazon Web Services EU Region - Assets API, Amazon Web Services EU Region - Automation API, Amazon Web Services EU Region - Automation UI, Amazon Web Services EU Region - BrandKit API, Amazon Web Services EU Region - BrandKit UI, Amazon Web Services EU Region - Content Delivery API, Amazon Web Services EU Region - Content Management API, Amazon Web Services EU Region - GraphQL Delivery API, Amazon Web Services EU Region - Image Delivery API, Amazon Web Services EU Region - Launch - Content Delivery Network (CDN), Amazon Web Services EU Region - Launch - Edge Services, Amazon Web Services EU Region - Launch - Management API, Amazon Web Services EU Region - Launch - Web Application, Amazon Web Services EU Region - Marketplace - Installed Apps, Amazon Web Services EU Region - Marketplace - Web Application, Amazon Web Services EU Region - Personalize - Analytics, Amazon Web Services EU Region - Personalize - Edge API, Amazon Web Services EU Region - Personalize - Management API, Amazon Web Services EU Region - Personalize - Web Application, Amazon Web Services EU Region - Web Application, Amazon Web Services EU Region - Webhook Dispatcher, Assets API, Automation API, Automation UI, BrandKit API, BrandKit UI, Content Delivery API, Content Management API, GraphQL Delivery API, Image Delivery API, Launch - Content Delivery Network (CDN), Launch - Edge Services, Launch - Management API, Launch - Web Application, Marketplace - Installed Apps, Marketplace - Web Application, Personalize - Analytics, Personalize - Edge API, Personalize - Management API, Personalize - Web Application, Web Application, Webhook Dispatcher
```

**7. Added: Update** (investigating) · 2026-04-11 06:18 UTC

```diff
+ We are currently investigating an issue impacting all services in the AWS EU region, which may result in a full outage for users. Our engineering team has been engaged and is actively working to identify the root cause and restore services as quickly as possible. If you encounter any difficulties accessing our services, please reach out to our Customer Success team for assistance at support@contentstack.com.
```

**8. Added: Update** (identified) · 2026-04-11 07:04 UTC

```diff
+ The issue has been identified within the ingress controller during an ongoing AWS EKS Kubernetes cluster upgrade, which led to a disruption impacting all services in the AWS EU region. Our team has isolated the root cause and is actively implementing a fix to restore normal traffic routing. Services are expected to recover as the remediation progresses.
```

**9. Added: Update** (monitoring) · 2026-04-11 07:18 UTC

```diff
+ A fix has been implemented, and traffic has been restored. We are currently monitoring the results to ensure continued stability.
```

**10. Added: Update** (resolved) · 2026-04-11 07:32 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-04-11 06:18 UTC | Critical incident: Contentstack - AWS EU - Full outage (this change) | critical |

All Contentstack changes: [timeline](https://rewindex.com/company/contentstack/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i22f1215798d603 · Markdown: https://rewindex.com/change/i22f1215798d603.md · JSON: https://rewindex.com/api/v1/changes/i22f1215798d603 · Generated 2026-10-20T00:01:10.052Z