# Brex: Critical incident: Mastercard Network Outage

**Summary:** Brex reported a critical Mastercard Network outage affecting card authorization, causing transactions to be incorrectly declined. It started at 2026-08-15 04:49 UTC and was resolved at 2026-08-15 05:53 UTC, lasting 1 h 4 min; Brex said transactions should now be correctly processed. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-15 04:49 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/5gr0h23gvhty](https://stspg.io/5gr0h23gvhty)
- [Company: Brex](https://rewindex.com/company/brex.md)
- Versions: before (none: first archived) → after incident\_version:217/8m23qb1cf4p1@6e0237a1ed17
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Mastercard Network Outage
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-15 04:49 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-15 05:53 UTC
```

**6. Added: Affected components**

```diff
+ Money movement: card authorization
```

**7. Added: Update** (identified) · 2026-08-15 04:49 UTC

```diff
+ We have identified that transactions may be declined incorrectly due to a Mastercard Network outage.
```

**8. Added: Update** (resolved) · 2026-08-15 05:53 UTC

```diff
+ Mastercard Network Outage has been resolved, and transactions should now be correctly processed.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-15 04:49 UTC | Critical incident: Mastercard Network Outage (this change) | outage |

All Brex changes: [timeline](https://rewindex.com/company/brex/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/i35777879a8af91 · Markdown: https://rewindex.com/change/i35777879a8af91.md · JSON: https://rewindex.com/api/v1/changes/i35777879a8af91 · Generated 2026-10-18T01:54:24.348Z