CVE-2026-33160
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.
How to fix
- craftcms craft_cms4.17.8, 5.9.14 or later
- craftcms/cms5.9.14, 4.17.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| craftcms craft_cms | 4.0.0 < v < 4.17.8, 5.0.0 < v < 5.9.14, 4.0.0, 5.0.0 | 4.17.8, 5.9.14 |
| craftcms/cmsPackagist | 5.0.0-RC1 ≤ v < 5.9.14, 4.0.0-RC1 ≤ v < 4.17.8 | 5.9.14, 4.17.8 |
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