CVE-2026-7888 Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction.

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

GHSA-36FC-7WJG-MFVJ Pimcore has Unsafe PHP Deserialization in Multiple Locations Without allowed_classes Restriction

GitHub Security Advisory Draft — GM-374 Summary Multiple locations in Pimcore v11 call PHP's unserialize on data from database columns and filesystem files without the allowedclasses restriction, enabling object injection if an attacker can control the serialized data source. Severity CVSS 3.1: 8...