CVE-2026-33157 Craft CMS: Potential authenticated Remote Code Execution via malicious attached Behavior

Craft CMS is a content management system CMS. From version 5.6.0 to before version 5.9.13, a Remote Code Execution RCE vulnerability exists in Craft CMS, it can be exploited by any authenticated user with control panel access. This is a bypass of a previous fix. The existing patches add...

GHSA-5PGF-H923-M958 Craft CMS may expose private assets through anonymous "generate transform" calls via transform URL

Summary 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. Details Root cause: - Anonymous...

Craft CMS may expose private assets through anonymous "generate transform" calls via transform URL

Summary 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. Details Root cause: - Anonymous...

EUVD-2026-14940

Craft CMS may expose private assets through anonymous "generate transform" calls via transform URL...

Missing Authorization

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Missing Authorization via the assets/generate-transform endpoint. An attacker can access content derived from private assets by submitting requests with arbitrary asset references, as the...

Missing Authorization

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Missing Authorization via the ConfigSyncController process. An attacker can perform unauthorized configuration synchronization operations by sending crafted requests to endpoints such as...

GHSA-6MRR-Q3PJ-H53W Craft CMS: Unauthenticated Users Can Perform Restricted Project Config Sync Operations

Summary Guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions regenerate-yaml, apply-yaml-changes without authentication. Details ConfigSyncController extends BaseUpdaterController, and the base updater is anonymously accessible for...

GHSA-3PVF-VXRV-HH9C Craft CMS: Low-privilege users could read private asset contents when editing an asset (IDOR)

Summary A low-privileged authenticated user can read private asset content by calling assets/edit-image with an arbitrary assetId that they are not authorized to view. The endpoint returns image bytes or a preview redirect without enforcing a per-asset view authorization check, leading to potenti...

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

Summary A low-privileged authenticated user can read private asset content by calling assets/edit-image with an arbitrary assetId that they are not authorized to view. The endpoint returns image bytes or a preview redirect without enforcing a per-asset view authorization check, leading to potenti...

EUVD-2026-14934

Craft CMS is Vulnerable to Authenticated Remote Code Execution via Malicious Attached Behavior...

GHSA-2FPH-6V5W-89HH Craft CMS is Vulnerable to Authenticated Remote Code Execution via Malicious Attached Behavior

Summary A Remote Code Execution RCE vulnerability exists in Craft CMS 5.x and 4.x that bypasses the security fixes for GHSA-7jx7-3846-m7w7 and GHSA-255j-qw47-wjh5. This vulnerability can be exploited by any authenticated user with control panel access. The existing patches add cleanseConfig to...

Craft CMS is Vulnerable to Authenticated Remote Code Execution via Malicious Attached Behavior

Summary A Remote Code Execution RCE vulnerability exists in Craft CMS 5.x and 4.x that bypasses the security fixes for GHSA-7jx7-3846-m7w7 and GHSA-255j-qw47-wjh5. This vulnerability can be exploited by any authenticated user with control panel access. The existing patches add cleanseConfig to...

PT-2026-27466

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...

PT-2026-27465

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...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to 4.17.8 and 5.9.14 of Craft CMS had security vulnerabilities. These vulnerabilities stemmed from the lack of enforceable authorization checks for resource-based access control, which could allow...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to 4.17.8 and 5.9.14 of Craft CMS had security vulnerabilities. These vulnerabilities stemmed from the Config Sync update program’s indexing process, which lacked authentication measures. As a result,...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions prior to 4.17.8 and 5.9.14 of Craft CMS had security vulnerabilities. These vulnerabilities stemmed from the lack of enforceable resource authorization checks, which could allow unauthorized access to transform...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions of Craft CMS prior to 5.9.13 contained security vulnerabilities. These vulnerabilities stemmed from the direct transmission of the fieldLayouts parameter without proper cleaning, which could lead to remote code...

Craft CMS 安全漏洞

Craft CMS is an open-source content management system developed by Craft CMS. Versions of Craft CMS prior to 5.9.14 contained security vulnerabilities. These vulnerabilities were due to improper access control, which could allow unauthorized cross-block movement of entries...

PT-2026-27462

Name of the Vulnerable Software and Affected Versions Craft CMS versions 4.x through 5.9.12 Description Craft CMS contains a Remote Code Execution RCE issue that bypasses previous security fixes. This allows any authenticated user with control panel access to potentially execute arbitrary code. T...