CVE-2026-8411

High

Published: 21/05/2026(UTC)Translated: 15/06/2026(UTC)NVD NIST

Summary

Concrete CMS version 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) in the page bulk delete controller. This vulnerability has been rated 2.3 by the Concrete CMS security team on the CVSS v.4.0 scale.

Risk Assessment

An attacker could exploit this vulnerability to perform unauthorized actions on behalf of a user, potentially leading to unintended changes in the system.

Recommendation

It is recommended to upgrade Concrete CMS to version 9.5.0 or later to mitigate this vulnerability.

Original NVD description (English source)

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/page/bulk/delete. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.