# Materialize: Major incident: Upstream vendor causing authentication related issues

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-08-20 13:31 UTC · Detected: 2026-10-19 18:53 UTC
- [Source: https://status.materialize.com/incidents/01M0FNXWRHMET88K4MW3KVX2CS](https://status.materialize.com/incidents/01M0FNXWRHMET88K4MW3KVX2CS)
- [Company: Materialize](https://rewindex.com/company/materialize.md)
- Versions: before (none: first archived) → after incident\_version:745/01M0FNXWRHMET88K4MW3KVX2CS@fa0093dbb3b2
- Change 1 of 1 for this incident

Incident page (full timeline): [Upstream vendor causing authentication related issues](https://rewindex.com/company/materialize/incidents/01M0FNXWRHMET88K4MW3KVX2CS.md)
## What changed

**1. Added: Title**

```diff
+ Upstream vendor causing authentication related issues
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-20 13:31 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-20 14:39 UTC
```

**6. Added: Update** (investigating) · 2026-08-20 13:31 UTC

```diff
+ We are seeing issues across the platform potentially caused by an outage of an upstream vendor. We are actively investigating and looking into mitigations.
```

**7. Added: Update** (identified) · 2026-08-20 13:37 UTC

```diff
+ We’ve determined that this issue is related to an outage of our authentication provider and is limited to pgwire authentication. Sources and sinks continue to run as expected, and we do not expect this issue to impact data freshness. We are continuing to monitor the situation and work toward a resolution.
```

**8. Added: Update** (monitoring) · 2026-08-20 13:59 UTC

```diff
+ We’re seeing pgwire authentication recover and are continuing to monitor the situation to ensure service remains stable.
```

**9. Added: Update** (resolved) · 2026-08-20 14:39 UTC

```diff
+ Upstream authentication vendor has fully resolved their incident. All impacted systems have recovered.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-20 13:31 UTC | Major incident: Upstream vendor causing authentication related issues (this change) | major |

All Materialize changes: [timeline](https://rewindex.com/company/materialize/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._


---
Canonical: https://rewindex.com/change/id6a5496e84bc19 · Markdown: https://rewindex.com/change/id6a5496e84bc19.md · JSON: https://rewindex.com/api/v1/changes/id6a5496e84bc19 · Generated 2026-10-20T00:48:42.792Z