CVE-2026-2994
MEDIUM WAF: Low
CVSS 6.8
Published: 2026-03-04
CWE-352
Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. 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:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z3rco 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 | up to 9.4.8 |
References
- documentation.concretecms.org (Release Notes, Patch, Vendor Advisory)
- github.com (Exploit, Issue Tracking, Vendor Advisory)