# Grammarly: Critical incident: Some Grammarly and Superhuman users may be unable to log in

**Summary:** Some Grammarly and Superhuman users could not log in or reset passwords during a vendor-rated critical incident starting 2026-05-15 16:33 UTC. A fix was implemented at 16:43 UTC, and the incident was resolved at 16:45 UTC after 12 min. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-05-15 16:33 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/3vf5b1zyj052](https://stspg.io/3vf5b1zyj052)
- [Company: Grammarly](https://rewindex.com/company/grammarly.md)
- Versions: before (none: first archived) → after incident\_version:21/cqfc9f5xs2s6@f6d0920b022c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Some Grammarly and Superhuman users may be unable to log in
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-05-15 16:33 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-05-15 16:45 UTC
```

**6. Added: Affected components**

```diff
+ Login
```

**7. Added: Update** (investigating) · 2026-05-15 16:33 UTC

```diff
+ We’re currently working through a service disruption that is preventing our users from logging in or resetting passwords. We apologize for any inconvenience, and updates will be provided as they become available.
```

**8. Added: Update** (monitoring) · 2026-05-15 16:43 UTC

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

**9. Added: Update** (resolved) · 2026-05-15 16:45 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-05-15 16:33 UTC | Critical incident: Some Grammarly and Superhuman users may be unable to log in (this change) | outage |

All Grammarly changes: [timeline](https://rewindex.com/company/grammarly/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/ieb8415cb913404 · Markdown: https://rewindex.com/change/ieb8415cb913404.md · JSON: https://rewindex.com/api/v1/changes/ieb8415cb913404 · Generated 2026-10-18T03:33:49.319Z