# Contentstack: Major incident: Contentstack – AWS NA – SSO Authentication Disruption

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-01-08 15:50 UTC · Detected: 2026-10-19 18:33 UTC
- [Source: https://stspg.io/1xtmx0sjxp4d](https://stspg.io/1xtmx0sjxp4d)
- [Company: Contentstack](https://rewindex.com/company/contentstack.md)
- Versions: before (none: first archived) → after incident\_version:728/ddyx0hfdb4v9@7f70290149d4
- Change 1 of 1 for this incident

Incident page (full timeline): [Contentstack – AWS NA – SSO Authentication Disruption](https://rewindex.com/company/contentstack/incidents/ddyx0hfdb4v9.md)
## What changed

**1. Added: Title**

```diff
+ Contentstack – AWS NA – SSO Authentication Disruption
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-01-08 15:50 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-01-08 17:06 UTC
```

**6. Added: Affected components**

```diff
+ Amazon Web Services US Region - Automation UI, Amazon Web Services US Region - BrandKit UI, Amazon Web Services US Region - Launch - Web Application, Amazon Web Services US Region - Marketplace - Web Application, Amazon Web Services US Region - Personalize - Web Application, Amazon Web Services US Region - Web Application, Automation UI, BrandKit UI, Launch - Web Application, Marketplace - Web Application, Personalize - Web Application, Web Application
```

**7. Added: Update** (investigating) · 2026-01-08 15:50 UTC

```diff
+ Some customers using SSO may currently experience difficulties accessing the Contentstack application. The team is actively investigating the issue and working toward a resolution. We are closely monitoring the situation and will share updates as more information becomes available. If you encounter any difficulties accessing our services, please contact our Customer Success team for assistance.
```

**8. Added: Update** (identified) · 2026-01-08 16:15 UTC

```diff
+ The issue has been identified, and a fix is currently being implemented.
```

**9. Added: Update** (monitoring) · 2026-01-08 16:37 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**10. Added: Update** (resolved) · 2026-01-08 17:06 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-01-08 15:50 UTC | Major incident: Contentstack – AWS NA – SSO Authentication Disruption (this change) | major |

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/i243bf7079f65d6 · Markdown: https://rewindex.com/change/i243bf7079f65d6.md · JSON: https://rewindex.com/api/v1/changes/i243bf7079f65d6 · Generated 2026-10-19T23:13:16.828Z