# GitLab: Major incident: Pipelines failing with 502 error

**Summary:** _summary pending_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-01-16 10:24 UTC · Detected: 2026-10-18 05:08 UTC
- [Source: https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/696a11fab4db2704d6ca3eb7](https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/696a11fab4db2704d6ca3eb7)
- [Company: GitLab](https://rewindex.com/company/gitlab.md)
- Versions: before (none: first archived) → after incident\_version:188/696a11fab4db2704d6ca3eb7@1259c50003a7
- Change 1 of 1 for this incident

Incident page (full timeline): [Pipelines failing with 502 error](https://rewindex.com/company/gitlab/incidents/696a11fab4db2704d6ca3eb7.md)
## What changed

**1. Added: Title**

```diff
+ Pipelines failing with 502 error
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-01-16 10:24 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-01-16 20:23 UTC
```

**6. Added: Affected components**

```diff
+ CI/CD
```

**7. Added: Update** (investigating) · 2026-01-16 10:24 UTC

```diff
+ We are currently investigating pipelines failing with "502 Bad Gateway" errors. More details available at https://gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**8. Added: Update** (investigating) · 2026-01-16 10:48 UTC

```diff
+ We are still investigating "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**9. Added: Update** (investigating) · 2026-01-16 11:14 UTC

```diff
+ We are investigating possible saturation. Users will still experience intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**10. Added: Update** (investigating) · 2026-01-16 11:41 UTC

```diff
+ We are still investigating "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**11. Added: Update** (investigating) · 2026-01-16 12:16 UTC

```diff
+ We are investigating a possible root cause, users still experience intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**12. Added: Update** (investigating) · 2026-01-16 12:50 UTC

```diff
+ We are investigating the rate limiting and related configuration changes is ongoing. Users might still experience intermittent 502 errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**13. Added: Update** (investigating) · 2026-01-16 13:32 UTC

```diff
+ We are still investigating the 502 intermittent errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**14. Added: Update** (investigating) · 2026-01-16 14:16 UTC

```diff
+ We are continuing to investigate possible backend performance bottlenecks and other upstream factors that could be causing the intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**15. Added: Update** (investigating) · 2026-01-16 15:04 UTC

```diff
+ We are continuing to investigate intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**16. Added: Update** (investigating) · 2026-01-16 15:59 UTC

```diff
+ Users still experience intermittent "502 Bad Gateway" errors when running pipelines. We are currently investigating previous Cloudflare configuration change. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**17. Added: Update** (investigating) · 2026-01-16 16:52 UTC

```diff
+ No material updates at this time. Users may still experience intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**18. Added: Update** (investigating) · 2026-01-16 17:42 UTC

```diff
+ Our team is currently working with Cloudflare to investigate the ongoing 502 errors. Users may still experience intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**19. Added: Update** (investigating) · 2026-01-16 18:39 UTC

```diff
+ No material updates at this time. Users may still experience intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**20. Added: Update** (investigating) · 2026-01-16 19:38 UTC

```diff
+ No material updates at this time. Users may still experience intermittent "502 Bad Gateway" errors when running pipelines. More details available at gitlab.com/gitlab-com/gl-infra/production/-/issues/21096
```

**21. Added: Update** (identified) · 2026-01-16 20:15 UTC

```diff
+ Our team has identified that the 502 Bad Gateway errors were related to a Cloudflare Worker deployment in the HTTP router. A rollback of the deployment is showing a decline in 502 errors for the artifact endpoints. Our team is continuing to monitor.
```

**22. Added: Update** (resolved) · 2026-01-16 20:23 UTC

```diff
+ This incident is now resolved. Our team has confirmed that the rollback fixed the issue and we are no longer seeing 502 Bad Gateway errors.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-01-16 10:24 UTC | Major incident: Pipelines failing with 502 error (this change) | outage |

All GitLab changes: [timeline](https://rewindex.com/company/gitlab/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/i46435f59ef0cc5 · Markdown: https://rewindex.com/change/i46435f59ef0cc5.md · JSON: https://rewindex.com/api/v1/changes/i46435f59ef0cc5 · Generated 2026-10-18T11:25:16.029Z
