CVE-2026-33160

Craft CMS: Anonymous "generate transform" calls for assets can expose private assets via transform URL

State: Published
Severity: 2.7 Low
Published: Mar 24, 2026
Updated: Mar 26, 2026
Reserved: Mar 17, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	2.7 Low	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U	GitHub_M

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key
CWE-862 Missing Authorization

Affected Products

Product	Versions
cmscraftcms	>= 4.0.0-RC1, < 4.17.8Affected >= 5.0.0-RC1, < 5.9.14Affected

References

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