CVE-2026-8415: Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/express/association/reorder

Published May 21, 2026
·
Updated

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/express/association/reorder. 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.

Affected Software

2 affected components
Concrete CMS Concrete CMS 9<9.5.0
ConcreteCMS Concrete CMS>=9.0.0<9.5.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Concrete CMS to a version that resolves this vulnerability.

    Fixed in 9.5.0

Event History

May 21, 2026
CVE Published
via MITRE·09:29 PM
Data Sourced
via MITRE·09:29 PM
DescriptionWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
Jun 29, 58424
Event
via FIRST·12:15 PM

Frequently Asked Questions

1

What is the severity of CVE-2026-8415?

CVE-2026-8415 has a low severity score of 2.3 according to CVSS v4.0.

2

What is the risk associated with CVE-2026-8415?

CVE-2026-8415 has been assigned a risk level of 11.

3

How do I fix CVE-2026-8415?

To fix CVE-2026-8415, upgrade to Concrete CMS version 9.5.0 or later.

4

What type of vulnerability is CVE-2026-8415?

CVE-2026-8415 is identified as a Cross Site Request Forgery (CSRF) vulnerability.

5

Where is CVE-2026-8415 located in Concrete CMS?

CVE-2026-8415 is located in the concrete/controllers/dialog/express/association/reorder directory.

Contact

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