GHSA-rmj4-m9cp-mp9v: Duplicate Advisory Craft CMS: Missing Authorization Check Vulnerability

MODERATE
CVSS 4.3
CWE-266
Published
Advisory Summary

GHSA-rmj4-m9cp-mp9v is a MODERATE (CVSS 4.3) craft cms: missing authorization check vulnerability (CWE-266: Incorrect Privilege Assignment) affecting Duplicate Advisory libraries in the Packagist ecosystem. The issue involves craft cms: missing authorization check allows non-admin control panel users access to user registration metrics. Remediation is available in the latest vendor maintenance releases.

GHSA-rmj4-m9cp-mp9v at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-rmj4-m9cp-mp9v
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-266: Incorrect Privilege Assignment
Affected Product Duplicate Advisory
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 4.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix GHSA-rmj4-m9cp-mp9v

To remediate this vulnerability, upgrade all affected Duplicate Advisory dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

craftcms/cms fixed: Latest secure release
Upgrade craftcms/cms to Latest secure release
craftcms/cms fixed: Latest secure release
Upgrade craftcms/cms to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

inspect dependencies for craftcms/cms

How to Check if You Are Affected

To determine whether your application is affected by GHSA-rmj4-m9cp-mp9v, inspect your project dependencies for Duplicate Advisory:

inspect dependencies for craftcms/cms

Analyze the terminal output to locate any version of Duplicate Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-266: Incorrect Privilege Assignment, where a product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. In Duplicate Advisory, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rvmm-v933-jgxq. This link is maintained to preserve external references. ## Original Description A flaw has been found in Craft CMS up to 4.18.0.1. Affected by this vulnerability is the function actionGetNewUsersData of the file src/controllers/ChartsController.php of the component Charts Endpoint. This manipulation of the argument userGroupId causes improper authorization. The attack is possible to be carried out remotely. Upgrading to version 4.18.1 addresses this issue. Patch name: 9ee53efc1314e6aba32771c66a13e072a246f4ce. It is suggested to upgrade the affected component.

GHSA-rmj4-m9cp-mp9v Affected Duplicate Advisory Versions

2 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
craftcms/cms
Packagist
≥ 4.0.0-RC1
craftcms/cms
Packagist
≥ 5.0.0-RC1

References

Frequently Asked Questions

What is GHSA-rmj4-m9cp-mp9v?
GHSA-rmj4-m9cp-mp9v is a security vulnerability in Duplicate Advisory involving Craft CMS: Missing authorization check allows non-admin control panel users access to user registration metrics under CWE-266: Incorrect Privilege Assignment.
Which Duplicate Advisory versions are affected?
Affected versions include releases prior to current release patches across affected packages: craftcms/cms.
What version fixes GHSA-rmj4-m9cp-mp9v?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is craftcms/cms affected?
Yes, craftcms/cms is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of GHSA-rmj4-m9cp-mp9v?
GHSA-rmj4-m9cp-mp9v has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with GHSA-rmj4-m9cp-mp9v?
GHSA-rmj4-m9cp-mp9v is classified under CWE-266: Incorrect Privilege Assignment (A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.).
How can I check Packagist dependencies for GHSA-rmj4-m9cp-mp9v?
Run the dependency tree command: 'inspect dependencies for craftcms/cms'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-rmj4-m9cp-mp9v",
  "modified" : "2026-08-31T19:42:52Z",
  "published" : "2026-07-06T06:31:19Z",
  "withdrawn" : "2026-08-31T19:42:52Z",
  "aliases" : [ ],
  "summary" : "Duplicate Advisory: Craft CMS: Missing authorization check allows non-admin control panel users access to user registration metrics",
  "details" : "## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-rvmm-v933-jgxq. This link is maintained to preserve external references.\n\n## Original Description\nA flaw has been found in Craft CMS up to 4.18.0.1. Affected by this vulnerability is the function actionGetNewUsersData of the file src/controllers/ChartsController.php of the component Charts Endpoint. This manipulation of the argument userGroupId causes improper authorization. The attack is possible to be carried out remotely. Upgrading to version 4.18.1 addresses this issue. Patch name: 9ee53efc1314e6aba32771c66a13e072a246f4ce. It is suggested to upgrade the affected component.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "craftcms/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0.0-RC1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 4.18.1"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "craftcms/cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.0.0-RC1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 5.10.3"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-14794"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/cms/commit/9ee53efc1314e6aba32771c66a13e072a246f4ce"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/cms/releases/tag/4.18.1"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/cms/releases/tag/5.10.3"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/cve/CVE-2026-14794"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/submit/850793"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/376388"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/376388/cti"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-266" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-08-31T19:42:52Z",
    "nvd_published_at" : "2026-07-06T05:16:34Z"
  }
}