Security Advisory

CVE-2026-10721

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-10 06:59:03

Last updated 2026-06-10 14:40:16

Assigner ConcreteCMS

CVSS score 8.4

State PUBLISHED

Description

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the in Permission, Cache, and Search components. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been placed in the database. Thanks XananasX7 for reporting.

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