# Codecov: Major incident: Unable to login with Bitbucket

**Summary:** Bitbucket login on Codecov Frontend suffered a major outage from 2026-03-16 11:46 UTC to 2026-03-17 16:07 UTC, lasting 28 h 20 min. Codecov identified a Bitbucket OAuth connection issue and implemented a fix. All Bitbucket users must log in again because authorizations were reset; Codecov cannot communicate with Bitbucket until they do. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-03-16 11:46 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/wht5dvy8dmxb](https://stspg.io/wht5dvy8dmxb)
- [Company: Codecov](https://rewindex.com/company/codecov.md)
- Versions: before (none: first archived) → after incident\_version:182/7f8vzqqtrqrf@76b88431cb54
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Unable to login with Bitbucket
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-03-16 11:46 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-03-17 16:07 UTC
```

**6. Added: Affected components**

```diff
+ Codecov Frontend
```

**7. Added: Update** (investigating) · 2026-03-16 11:46 UTC

```diff
+ With identified an issue with our OAuth connection for Bitbucket
```

**8. Added: Update** (monitoring) · 2026-03-17 14:06 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**9. Added: Update** (resolved) · 2026-03-17 16:07 UTC

```diff
+ This incident has been resolved. All Bitbucket users will need to login to Codecov again, as their authorizations were reset. Codecov will not be able to commincate with Bitbucket until you do.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-03-16 11:46 UTC | Major incident: Unable to login with Bitbucket (this change) | outage |

All Codecov changes: [timeline](https://rewindex.com/company/codecov/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._


---
Canonical: https://rewindex.com/change/i3bf606f205d240 · Markdown: https://rewindex.com/change/i3bf606f205d240.md · JSON: https://rewindex.com/api/v1/changes/i3bf606f205d240 · Generated 2026-10-18T02:28:02.098Z