CVE-2026-68535 Concrete CMS 9.2.0 to 9.5.2 is vulnerable to Missing authorization in the Concrete CMS Area REST API block-create path letting an editor reference files outside their file-manager permissions

Concrete CMS Area API's block-create endpoint in versions 9.2.0 to 9.5.2 did not invoke the block type controller's validate method on submitted data, which, for file-referencing blocks such as heroimage and gallery, is where the referenced file is authorized against the user's file-manager...

CVE-2026-68535

Concrete CMS versions 9.2.0 through 9.5.2 are affected by a missing authorization check in the Area REST API block-create endpoint. The endpoint failed to invoke the block type controller's validate() method, which is responsible for authorizing referenced files against the user's file-manager vi...

CVE-2026-68535 Concrete CMS 9.2.0 to 9.5.2 is vulnerable to Missing authorization in the Concrete CMS Area REST API block-create path letting an editor reference files outside their file-manager permissions

Concrete CMS Area API's block-create endpoint in versions 9.2.0 to 9.5.2 did not invoke the block type controller's validate method on submitted data, which, for file-referencing blocks such as heroimage and gallery, is where the referenced file is authorized against the user's file-manager...