# dbt Labs: Critical incident: Certificate errors affecting the dbt platform

**Summary:** A critical dbt platform incident caused certificate or "insecure connection" warnings on US, AU, and EU/EMEA multi-tenant AWS instances after a certificate configuration change. The incident started at 2026-07-27 16:54 UTC and was resolved at 2026-07-27 18:50 UTC, lasting 1 h 56 min; dbt deployed a fix and reported normal access restored. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-07-27 16:54 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://status.getdbt.com/incidents/01KYJD60HVTB7SHRC99Q73PKW2](https://status.getdbt.com/incidents/01KYJD60HVTB7SHRC99Q73PKW2)
- [Company: dbt Labs](https://rewindex.com/company/dbt-labs.md)
- Versions: before (none: first archived) → after incident\_version:143/01KYJD60HVTB7SHRC99Q73PKW2@8e0cb9944492
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Certificate errors affecting the dbt platform
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-27 16:54 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-27 18:50 UTC
```

**6. Added: Update** (investigating) · 2026-07-27 18:25 UTC

```diff
+ We're investigating an issue affecting the dbt platform in production. Users may see certificate warnings or "insecure connection" errors when accessing the platform. The team is working on a resolution and we will provide updates as soon as new information becomes available.
```

**7. Added: Update** (monitoring) · 2026-07-27 18:44 UTC

```diff
+ We have deployed a fix for the certificate issue that was causing "insecure connection" warnings when accessing the dbt platform on our US1, AU1, and EU1 instances. Access has returned to normal and we are continuing to monitor.
```

**8. Added: Update** (resolved) · 2026-07-27 18:50 UTC

```diff
+ A certificate configuration change affecting our multi-tenant AWS instances caused browsers to show certificate or "insecure connection" warnings when accessing the dbt platform. This impacted the US, AU, and EU/EMEA multi-tenant instances between approximately 2026-07-27 16:54 UTC and 2026-07-27 18:43 UTC. The issue has been resolved and all affected systems are functioning normally. Please contact Support at support@getdbt.com: mailto:support@getdbt.com if you continue to experience issues or have any follow-up questions.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-27 16:54 UTC | Critical incident: Certificate errors affecting the dbt platform (this change) | outage |

All dbt Labs changes: [timeline](https://rewindex.com/company/dbt-labs/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/i069c7ed8234cc6 · Markdown: https://rewindex.com/change/i069c7ed8234cc6.md · JSON: https://rewindex.com/api/v1/changes/i069c7ed8234cc6 · Generated 2026-10-18T00:39:26.710Z