MediumGHSA-cvh3-23vq-w7h4CVE-2026-33882

Statamic's Markdown preview endpoint exposes sensitive user data

Published 26 Mar 2026 · Updated 27 Mar 2026

Affected packages

statamic/cmsComposer

Affected: <5.73.16
Fixed in: 5.73.16

Update to the fixed version for your release line, for example:composer require statamic/cms:^5.73.16

statamic/cmsComposer

Affected: >=6.0.0-alpha.1 <6.7.2
Fixed in: 6.7.2

Update to the fixed version for your release line, for example:composer require statamic/cms:^6.7.2

Details

Impact

The markdown preview endpoint could be manipulated to return augmented data from arbitrary fieldtypes. With the users fieldtype specifically, an authenticated control panel user could retrieve sensitive user data including email addresses, encrypted passkey data, and encrypted two-factor authentication codes.

Patches

This has been fixed in 5.73.16 and 6.7.2.

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References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.