# Vercel: Major incident: Failures logging in with Vercel CLI

**Summary:** Vercel reported a major incident causing login errors with Vercel CLI (\`vc login\`), preventing affected customers from signing in. It started at 2026-08-26 03:06 UTC and was resolved at 2026-08-26 04:28 UTC, lasting 1 h 22 min. The team reported identifying the source and testing a fix but did not specify the cause. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-26 03:06 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/119clbk6991s](https://stspg.io/119clbk6991s)
- [Company: Vercel](https://rewindex.com/company/vercel.md)
- Versions: before (none: first archived) → after incident\_version:215/75b4vyf7cm69@4251531bcd0c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Failures logging in with Vercel CLI
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-26 03:06 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-26 04:28 UTC
```

**6. Added: Affected components**

```diff
+ Dashboard, Dashboard - Dashboard
```

**7. Added: Update** (investigating) · 2026-08-26 03:06 UTC

```diff
+ We are investigating errors logging in with Vercel CLI (vc login).
```

**8. Added: Update** (investigating) · 2026-08-26 03:15 UTC

```diff
+ We are investigating errors logging in with Vercel CLI (vc login).
```

**9. Added: Update** (identified) · 2026-08-26 04:28 UTC

```diff
+ The team has identified the source of the issue and is testing a fix.
```

**10. Added: Update** (resolved) · 2026-08-26 04:28 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-26 03:06 UTC | Major incident: Failures logging in with Vercel CLI (this change) | outage |

All Vercel changes: [timeline](https://rewindex.com/company/vercel/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/i8440a0326e0d79 · Markdown: https://rewindex.com/change/i8440a0326e0d79.md · JSON: https://rewindex.com/api/v1/changes/i8440a0326e0d79 · Generated 2026-10-18T00:39:22.140Z