CVE-2026-33160

Medium

Description

Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, an unauthenticated user can call assets/generate-transform with a private assetId, receive a valid transform URL, and fetch transformed image bytes. The endpoint is anonymous and does not enforce per-asset authorization before returning the transform URL. This issue has been patched in versions 4.17.8 and 5.9.14.

SeverityMedium
CVSS5.3
Exploit probability—
ProductCraftcms Craft Cms
PublishedMar 24, 2026
First seenMar 24, 2026

How to fix

Update
  • craftcms craft_cms4.17.8, 5.9.14 or later
  • craftcms/cms5.9.14, 4.17.8 or later

Affected products

ProductAffected versionsFixed in
craftcms craft_cms4.0.0 < v < 4.17.8, 5.0.0 < v < 5.9.14, 4.0.0, 5.0.04.17.8, 5.9.14
craftcms/cmsPackagist5.0.0-RC1 ≤ v < 5.9.14, 4.0.0-RC1 ≤ v < 4.17.85.9.14, 4.17.8

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