# PyPI (Python Infrastructure): Critical incident: Outage in python.org and us.pycon.org

**Summary:** _summary pending_
- Kind: Major incident · Label: critical (vendor)
- Changed: 2024-06-05 15:38 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://stspg.io/jbmsjp9gjfd9](https://stspg.io/jbmsjp9gjfd9)
- [Company: PyPI (Python Infrastructure)](https://rewindex.com/company/pypi.md)
- Versions: before (none: first archived) → after incident\_version:669/q8jvpwggfn8z@6ceea6583522
- Change 1 of 1 for this incident

Incident page (full timeline): [Outage in python.org and us.pycon.org](https://rewindex.com/company/pypi/incidents/q8jvpwggfn8z.md)
## What changed

**1. Added: Title**

```diff
+ Outage in python.org and us.pycon.org
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-06-05 15:38 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-06-05 16:05 UTC
```

**6. Added: Affected components**

```diff
+ python.org - Backends, python.org - python.org - Backends, us.pycon.org
```

**7. Added: Update** (identified) · 2024-06-05 15:38 UTC

```diff
+ An outage in our infrastructure is impacting availability of us.pycon.org and python.org
```

**8. Added: Update** (monitoring) · 2024-06-05 15:57 UTC

```diff
+ A cascading failure due to an expired certificate led to this outage. The certificate has been expired and systems are coming back online.
```

**9. Added: Update** (resolved) · 2024-06-05 16:05 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-06-05 15:38 UTC | Critical incident: Outage in python.org and us.pycon.org (this change) | critical |

All PyPI (Python Infrastructure) changes: [timeline](https://rewindex.com/company/pypi/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/iadfffcee28bd66 · Markdown: https://rewindex.com/change/iadfffcee28bd66.md · JSON: https://rewindex.com/api/v1/changes/iadfffcee28bd66 · Generated 2026-10-20T00:00:39.155Z