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VULNERABILITIES

CVE-2026-2994 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes ConcreteCMSPatchRelease NotesVendor Advisory
https://github.com/concretecms/concretecms/pull/12826 ConcreteCMSExploitIssue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-352Cross-Site Request Forgery (CSRF)ConcreteCMS

Affected Products

ProductVersions
concretecms concrete cms
< 9.4.8

CPE

  • cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-2994
NVD Published Date:
Mar 4, 2026
NVD Last Modified:
Jun 17, 2026
Source:
ConcreteCMS
CVE-2026-2994 Details - Not Deferred