CVE-2026-8414
HIGH WAF: Low
CVSS 8.8
Published: 2026-05-21
CWE-352
Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/event/duplicate. 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.
WAF Coverage Analysis
Cross-Site Request Forgery (CSRF)
Low WAF Coverage
OWASP: A01:2021 Broken Access Control
Affected Software
| Vendor | Product | Version |
|---|---|---|
| concretecms | concrete_cms | 9.0.0 - 9.5.1 |
References
- documentation.concretecms.org (Release Notes)