# Materialize: Upstream vendor causing authentication related issues

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-08-20 13:31 UTC · Resolved: 2026-08-20 14:39 UTC · Duration: 1.1 h
- Updates: 4 · Affected components: aws/eu-west-1, aws/eu-west-1, aws/us-east-1, aws/us-east-1, aws/us-west-2, aws/us-west-2
- [Vendor status page: https://status.materialize.com/incidents/01M0FNXWRHMET88K4MW3KVX2CS](https://status.materialize.com/incidents/01M0FNXWRHMET88K4MW3KVX2CS)
- [Company: Materialize](https://rewindex.com/company/materialize.md)

## Timeline of updates

- **investigating** 2026-08-20 13:31 UTC: We are seeing issues across the platform potentially caused by an outage of an upstream vendor. We are actively investigating and looking into mitigations.
- **identified** 2026-08-20 13:37 UTC: 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.
- **monitoring** 2026-08-20 13:59 UTC: We’re seeing pgwire authentication recover and are continuing to monitor the situation to ensure service remains stable.
- **resolved** 2026-08-20 14:39 UTC: Upstream authentication vendor has fully resolved their incident. All impacted systems have recovered.

## Rewindex changes for this incident

- 2026-08-20 13:31 UTC: [Major incident: Upstream vendor causing authentication related issues](https://rewindex.com/change/id6a5496e84bc19.md)


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Canonical: https://rewindex.com/company/materialize/incidents/01M0FNXWRHMET88K4MW3KVX2CS · Markdown: https://rewindex.com/company/materialize/incidents/01M0FNXWRHMET88K4MW3KVX2CS.md · JSON: https://rewindex.com/api/v1/companies/materialize/incidents/01M0FNXWRHMET88K4MW3KVX2CS · Generated 2026-10-20T01:30:42.824Z