CVE-2026-2994
Published:March 04, 2026
Updated:June 27, 2026
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
Affected Packages
https://github.com/concretecms/concretecms.git (GITHUB):
Affected version(s) =9.5.0RC1 <9.5.0RC2Fix Suggestion:
Update to version 9.5.0RC2https://github.com/concretecms/concretecms.git (GITHUB):
Affected version(s) >=9.4.0RC1 <9.4.8Fix Suggestion:
Update to version 9.4.8concrete5/concrete5 (PHP):
Affected version(s) >=dev-allow-install-php-8.2 <9.4.8Fix Suggestion:
Update to version 9.4.8Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Cross-Site Request Forgery (CSRF)
EPSS
Base Score:
0.21