CVE-2026-3452

Concrete CMS versions below 9.4.8 are vulnerable to Remote Code Execution via stored PHP object injection in the Express Entry List block, using the columns parameter. An authenticated administrator can store attacker-controlled serialized data in block configuration fields that are later passed ...

CVE-2026-3452 Concrete CMS below 9.4.8 is vulnerable to stored deserialization leading to RCE in the Express Entry List block.

Concrete CMS below version 9.4.8 is vulnerable to Remote Code Execution by stored PHP object injection into the Express Entry List block via the columns parameter. An authenticated administrator can store attacker-controlled serialized data in block configuration fields that are later passed to...