CVE-2026-2994

LOW EPSS 10.9%
Published Mar 4, 20263mo ago · Modified Jun 17, 20262w ago
2.3 CVSS 4.0
Low
Find Similar
Published Mar 4, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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

CVSS Details

Base Score
2.3
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
10.9% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-352 Cross-Site Request Forgery (CSRF) Authentication

Affected Products 1

VendorProductVersionRange
concretecmsconcrete_cms* <9.4.8

References 2

  • documentation.concretecms.org https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
    PatchRelease NotesVendor Advisory
  • github.com https://github.com/concretecms/concretecms/pull/12826
    ExploitIssue TrackingVendor Advisory

Remediation

  • documentation.concretecms.org https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
    PatchRelease NotesVendor Advisory