CVE-2026-64664 Statamic: Missing authorization on Control Panel endpoint allows disclosure of user existence
Authenticated users can determine if email addresses exist in the system without proper authorization, leaking user existence data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-64664?
CVE-2026-64664 is a medium-severity vulnerability in statamic cms, published on 6 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.74.1 and 6.24.0, an authenticated Control Panel user could use an endpoint intended for the user creation wizard to determine if a given email address belonged to an existing user, without having permission to view users, though the endpoint only exposed user existence and not any other user data. This issue is fixed in versions 5.74.1 and 6.24.0.
Which versions are affected by CVE-2026-64664?
4 open source packages ship an affected version, including statamic/cms.
| Package | Affected | Fixed in |
|---|---|---|
statamic/cms Packagist | All versions | 5.74.1 |
statamic/cms Packagist | All versions | 5.74.1 |
statamic/cms Packagist | From 6.0.0 | 6.24.0 |
statamic/cms Packagist | From 6.0.0 | 6.24.0 |
How do I fix CVE-2026-64664?
Upgrade statamic/cms to a fixed version for your release line: 5.74.1 or 6.24.0.
Is CVE-2026-64664 being exploited?
There is no known exploitation of CVE-2026-64664 in the wild and no public exploit code.
Sources
Also known as GHSA-225x-3jhx-wh4q.