# Sourcegraph: Sign-in and authentication errors

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-09-01 15:41 UTC · Resolved: 2026-09-02 09:39 UTC · Duration: 18 h
- Updates: 4 · Affected components: Sourcegraph Accounts, Sourcegraph Analytics
- [Vendor status page: https://sourcegraphstatus.com/incidents/01M1ESPYPN9TPBX3AFT17XS6XJ](https://sourcegraphstatus.com/incidents/01M1ESPYPN9TPBX3AFT17XS6XJ)
- [Company: Sourcegraph](https://rewindex.com/company/sourcegraph.md)

## Summary

Sourcegraph reported a major incident affecting account sign-in and authentication, starting 2026-09-01 15:41 UTC and resolved 2026-09-02 09:39 UTC, lasting 17 h 58 min. Sourcegraph attributed the errors to a Google Cloud networking incident; sign-in had recovered by 2026-09-01 16:48 UTC, with monitoring continuing afterward. _(machine-written, sol)_
## Timeline of updates

- **identified** 2026-09-01 15:34 UTC: We're aware of errors affecting sign-in and authentication for Sourcegraph accounts. This is caused by a Google Cloud networking incident, and we're monitoring for recovery.
- **identified** 2026-09-01 15:41 UTC: The issue has been identified and we're working on a fix
- **monitoring** 2026-09-01 16:48 UTC: Error rates have returned to normal and sign-in has recovered. The underlying Google Cloud networking incident is still ongoing, so we're continuing to monitor closely.
- **resolved** 2026-09-02 09:39 UTC: The issue has been resolved

## Rewindex changes for this incident

- 2026-09-01 15:41 UTC: [Major incident: Sign-in and authentication errors](https://rewindex.com/change/i612a790fe39a03.md)


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Canonical: https://rewindex.com/company/sourcegraph/incidents/01M1ESPYPN9TPBX3AFT17XS6XJ · Markdown: https://rewindex.com/company/sourcegraph/incidents/01M1ESPYPN9TPBX3AFT17XS6XJ.md · JSON: https://rewindex.com/api/v1/companies/sourcegraph/incidents/01M1ESPYPN9TPBX3AFT17XS6XJ · Generated 2026-10-18T10:38:01.173Z