# Vanta: Critical incident: Vanta Application Unable to Load

**Summary:** Vanta reported a critical Core App outage starting 2025-11-10 19:40 UTC: a major performance regression prevented the application from loading. Loading resumed with high latency before mitigations restored normal latency; the incident was resolved at 2025-11-10 22:38 UTC after 2 h 58 min. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-11-10 19:40 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/sj7d8hd1yf78](https://stspg.io/sj7d8hd1yf78)
- [Company: Vanta](https://rewindex.com/company/vanta.md)
- Versions: before (none: first archived) → after incident\_version:322/62gvh9jb1wpr@0cfdc4e5bdf5
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Vanta Application Unable to Load
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-11-10 19:40 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-11-10 22:38 UTC
```

**6. Added: Affected components**

```diff
+ Core App, Vanta Web App - Core App
```

**7. Added: Update** (investigating) · 2025-11-10 19:40 UTC

```diff
+ We're currently experiencing a major performance regression resulting in the Vanta application being unable to load. We are actively working to mitigate.
```

**8. Added: Update** (investigating) · 2025-11-10 19:47 UTC

```diff
+ We're currently investigating the issue, and will provide an update soon.
```

**9. Added: Update** (identified) · 2025-11-10 20:06 UTC

```diff
+ We’ve identified the root cause and are actively working on mitigations. The Vanta application should now load for users although latencies remain high
```

**10. Added: Update** (monitoring) · 2025-11-10 21:38 UTC

```diff
+ We’ve finished our mitigation efforts, and latency metrics have returned to normal. We’re continuing to monitor app performance.
```

**11. Added: Update** (resolved) · 2025-11-10 22:38 UTC

```diff
+ This incident has been resolved and Vanta app should now load for all users.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-11-10 19:40 UTC | Critical incident: Vanta Application Unable to Load (this change) | outage |

All Vanta changes: [timeline](https://rewindex.com/company/vanta/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/id3862464b79718 · Markdown: https://rewindex.com/change/id3862464b79718.md · JSON: https://rewindex.com/api/v1/changes/id3862464b79718 · Generated 2026-10-18T02:55:14.569Z