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AIKIDO-2026-863791

statamic/cms is vulnerable to User Enumeration

User EnumerationGHSA-qcj3-3rx2-4c2j Published Yesterday

53

Medium Risk

This Affects:

PHPstatamic/cms
6.0.0 - 6.30.0
Fixed in 6.31.0
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TL;DR

Statamic's Control Panel and frontend login handlers return sooner when a submitted email matches no registered user than when the email matches and only the password is wrong. An unauthenticated visitor who times login responses can therefore learn whether a given email address belongs to an account. Only account existence is exposed, with no user data and no authentication bypass, and login rate limiting still bounds how quickly addresses can be probed. The fix runs credential validation inside a constant-time Timebox so both outcomes take the same time.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

statamic/cms is vulnerable to User Enumeration in versions 6.0.0 - 6.30.0.

How to fix this

Upgrade the statamic/cms library to the patch version.

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