# Rippling: Major incident: Single-Sign-on down

**Summary:** Rippling reported a major incident degrading Single Sign-on (SSO) and related identity flows, starting at 2026-05-27 14:01 UTC and resolved at 2026-05-27 14:12 UTC (11 min). A fix was deployed, successful SSO logins were confirmed, and error rates fell. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-05-27 14:01 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/cs11bt3f0ygz](https://stspg.io/cs11bt3f0ygz)
- [Company: Rippling](https://rewindex.com/company/rippling.md)
- Versions: before (none: first archived) → after incident\_version:231/sgwwvl445dn7@f335d821ae61
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Single-Sign-on down
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-05-27 14:01 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-05-27 14:12 UTC
```

**6. Added: Affected components**

```diff
+ Identity & App Management - Single Sign-on (SSO), Single Sign-on (SSO)
```

**7. Added: Update** (monitoring) · 2026-05-27 13:54 UTC

```diff
+ SSO and related identity flows were degraded in production, with the incident opened at 08:49 EDT. A fix has been deployed and the team is monitoring service health, with confirmed successful SSO logins.
```

**8. Added: Update** (monitoring) · 2026-05-27 14:01 UTC

```diff
+ Error rates down, continuing to monitor
```

**9. Added: Update** (resolved) · 2026-05-27 14:12 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-05-27 14:01 UTC | Major incident: Single-Sign-on down (this change) | outage |

All Rippling changes: [timeline](https://rewindex.com/company/rippling/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/i9adfb520b6cb55 · Markdown: https://rewindex.com/change/i9adfb520b6cb55.md · JSON: https://rewindex.com/api/v1/changes/i9adfb520b6cb55 · Generated 2026-10-18T03:22:18.561Z