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Vulnerability Details :

CVE-2026-2994

Summary
Assigner-ConcreteCMS
Assigner Org ID-ff5b8ace-8b95-4078-9743-eac1ca5451de
Published At-04 Mar, 2026 | 02:18
Updated At-04 Mar, 2026 | 15:05
Rejected At-
Credits

Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group

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

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:ConcreteCMS
Assigner Org ID:ff5b8ace-8b95-4078-9743-eac1ca5451de
Published At:04 Mar, 2026 | 02:18
Updated At:04 Mar, 2026 | 15:05
Rejected At:
▼CVE Numbering Authority (CNA)
Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group

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 Products
Vendor
Concrete CMS
Product
Concrete CMS
Repo
https://github.com/concretecms/concretecms
Program Files
  • https://github.com/concretecms/concretecms
Default Status
unaffected
Versions
Unaffected
  • From 5 before 9.4.8 (git)
Problem Types
TypeCWE IDDescription
CWECWE-352CWE-352 Cross-Site Request Forgery (CSRF)
Type: CWE
CWE ID: CWE-352
Description: CWE-352 Cross-Site Request Forgery (CSRF)
Metrics
VersionBase scoreBase severityVector
4.02.3LOW
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
Version: 4.0
Base score: 2.3
Base severity: LOW
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-115CAPEC-115 Authentication Bypass
CAPEC ID: CAPEC-115
Description: CAPEC-115 Authentication Bypass
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
z3rco
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/concretecms/concretecms/pull/12826
N/A
https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
N/A
Hyperlink: https://github.com/concretecms/concretecms/pull/12826
Resource: N/A
Hyperlink: https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ff5b8ace-8b95-4078-9743-eac1ca5451de
Published At:04 Mar, 2026 | 03:16
Updated At:04 Mar, 2026 | 21:35

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

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.3LOW
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
Primary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 4.0
Base score: 2.3
Base severity: LOW
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/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
Type: Primary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CPE Matches
concretecms
concretecms
>>concrete_cms>>Versions before 9.4.8(exclusive)
cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-352Secondaryff5b8ace-8b95-4078-9743-eac1ca5451de
CWE ID: CWE-352
Type: Secondary
Source: ff5b8ace-8b95-4078-9743-eac1ca5451de
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notesff5b8ace-8b95-4078-9743-eac1ca5451de
Release Notes
Patch
Vendor Advisory
https://github.com/concretecms/concretecms/pull/12826ff5b8ace-8b95-4078-9743-eac1ca5451de
Exploit
Issue Tracking
Vendor Advisory
Hyperlink: https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes
Source: ff5b8ace-8b95-4078-9743-eac1ca5451de
Resource:
Release Notes
Patch
Vendor Advisory
Hyperlink: https://github.com/concretecms/concretecms/pull/12826
Source: ff5b8ace-8b95-4078-9743-eac1ca5451de
Resource:
Exploit
Issue Tracking
Vendor Advisory

Change History

0
Information is not available yet

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