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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.

PUBLISHED Reserved 2026-03-17 | Published 2026-03-24 | Updated 2026-03-26 | Assigner GitHub_M




LOW: 2.7CVSS: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

Problem types

CWE-639: Authorization Bypass Through User-Controlled Key

CWE-862: Missing Authorization

Product status

>= 4.0.0-RC1, < 4.17.8
affected

>= 5.0.0-RC1, < 5.9.14
affected

References

github.com/...ms/cms/security/advisories/GHSA-5pgf-h923-m958

github.com/craftcms/cms/commit/7290d91639e

github.com/craftcms/cms/releases/tag/4.17.8

github.com/craftcms/cms/releases/tag/5.9.14

cve.org (CVE-2026-33160)

nvd.nist.gov (CVE-2026-33160)

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