Security Advisory

CVE-2026-7881

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-05-21 21:09:18

Last updated 2026-05-22 13:14:42

Assigner ConcreteCMS

State PUBLISHED

Description

Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference (IDOR) in the Express Entry Detail block via the exEntryID parameter. This IDOR leads to unauthorized access to all Express form submissions. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N. Thanks Tristan Madani for reporting.

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