High severityNVD Advisory· Published Jun 10, 2026· Updated Jun 10, 2026
CVE-2026-10721
CVE-2026-10721
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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Affected products
1Patches
Vulnerability mechanics
References
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