CVE-2026-7888 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionConcrete 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. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been placed in the database. Thanks XananasX7 and Sanjorn Keeratirungsan (dizconnect) for both independently reporting. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 8.4 with vector CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. Metrics
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Weakness Enumeration
Quick InfoCVE Dictionary Entry:CVE-2026-7888 NVD Published Date: 06/03/2026 NVD Last Modified: 06/03/2026 Source: ConcreteCMS |
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