CVE-2026-56385

Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file endpoint. The action does not enforce per-asset view authorization before returning preview content, allowing an authenticated low-privileged user to supply a controlled assetId for an...

CVE-2026-56385

Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file endpoint. The action does not enforce per-asset view authorization before returning preview content, allowing an authenticated low-privileged user to supply a controlled assetId for an...

CVE-2026-56385

Craft CMS suffers an authorization bypass in the assets/preview-file endpoint. Versions affected: 5.0.0-RC1–5.9.13 and 4.0.0-RC1–4.17.7. An authenticated low-privileged user can supply an assetId for an asset they should not view and still receive preview data (previewHtml), including a private p...

EUVD-2026-38178

Craft CMS contains a missing authorization vulnerability in the assets/preview-thumb endpoint. A Control Panel user without permission to view a target private asset can call the endpoint with an attacker-controlled assetId and receive preview HTML containing a signed fallback transform preview...

CVE-2026-56384

Craft CMS contains a missing authorization vulnerability in the assets/preview-thumb endpoint. A Control Panel user without permission to view a target private asset can call the endpoint with an attacker-controlled assetId and receive preview HTML containing a signed fallback transform preview...

DevGuard has improper authorization on public assets

Impact On a DevGuard API instance with one or more public assets, any authenticated user — including users from a different organization with no membership or role in the affected org/project — can create, update, reapply, and delete VEX rules on those public assets. The same flaw affects the oth...

CVE-2026-40265 Note Mark has Broken Access Control on Asset Download

Note Mark is an open-source note-taking application. In versions 0.19.1 and prior, the asset download endpoint at /api/notes/noteID/assets/assetID is registered without authentication middleware, and the backend query does not verify ownership or book visibility. An unauthenticated user who knows...

CVE-2026-33160

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. T...

CVE-2026-33158

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, a low-privileged authenticated user can read private asset content by calling assets/edit-image with an arbitrary assetId that they are not authorized...

CVE-2026-33158

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, a low-privileged authenticated user can read private asset content by calling assets/edit-image with an arbitrary assetId that they are not authorized...

CVE-2026-33161 Craft CMS: Anonymous "assets/image-editor" calls returns private asset editor metadata to unauthorized users

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, a low-privileged authenticated user can call assets/image-editor with the ID of a private asset they cannot view and still receive editor response dat...

CVE-2026-33161 Craft CMS: Anonymous "assets/image-editor" calls returns private asset editor metadata to unauthorized users

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, a low-privileged authenticated user can call assets/image-editor with the ID of a private asset they cannot view and still receive editor response dat...

CVE-2026-33160

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. T...

CVE-2026-33160

Summary: CVE-2026-33160 affects Craft CMS versions 4.0.0-RC1 through 4.17.7 and 5.0.0-RC1 through 5.9.13, where an unauthenticated user can call assets/generate-transform with a private assetId, obtain a valid transform URL, and fetch the transformed image bytes. The endpoint does not enforce per...

CVE-2026-33160 Craft CMS: Anonymous "generate transform" calls for assets can expose private assets via transform URL

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. T...

CVE-2026-33160 Craft CMS: Anonymous "generate transform" calls for assets can expose private assets via transform URL

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. T...

CVE-2026-33160 Craft CMS: Anonymous "generate transform" calls for assets can expose private assets via transform URL

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. T...

GHSA-VGJG-248P-RFM2 Craft CMS' anonymous "assets/image-editor" calls return private asset editor metadata to unauthorized users

Summary A low-privileged authenticated user can call assets/image-editor with the ID of a private asset they cannot view and still receive editor response data, including focalPoint. The endpoint returns private editing metadata without per-asset authorization validation. Root-cause analysis: 1...

CVE-2026-33158 Craft CMS: Low-privilege users could read private asset contents when editing an asset (IDOR)

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, a low-privileged authenticated user can read private asset content by calling assets/edit-image with an arbitrary assetId that they are not authorized...

CVE-2026-33158

Craft CMS - CVE-2026-33158: A low-privileged authenticated user could read private asset content by calling assets/edit-image with an arbitrary assetId, bypassing per-asset view authorization. The endpoint returns image bytes or a preview redirect without enforcing access checks, enabling unautho...