CVE-2026-14794: Improper Authorization in Craft CMS
CVE-2026-14794 is a medium severity vulnerability in Craft CMS versions 4.18.0.0 and 4.18.0.1. It involves improper authorization in the actionGetNewUsersData function within the ChartsController.php file of the Charts Endpoint component. The flaw allows remote attackers to manipulate the userGroupId argument, potentially bypassing authorization controls. The issue is resolved by upgrading to version 4.18.1.
AI Analysis
Technical Summary
This vulnerability in Craft CMS affects the Charts Endpoint component, specifically the actionGetNewUsersData function in src/controllers/ChartsController.php. Improper authorization occurs due to manipulation of the userGroupId argument, enabling unauthorized access to user data. The vulnerability is remotely exploitable without user interaction and requires low privileges. The vendor has addressed the issue in version 4.18.1, and upgrading to this version mitigates the risk.
Potential Impact
Successful exploitation could allow an attacker with limited privileges to access or retrieve user data without proper authorization, potentially exposing sensitive information. The vulnerability does not require user interaction and can be exploited remotely, increasing its risk. However, the CVSS score of 5.3 indicates a medium impact level.
Mitigation Recommendations
Upgrade Craft CMS to version 4.18.1 or later, which contains the official fix for this improper authorization vulnerability. No other specific mitigations are indicated. Patch status is confirmed by the vendor's versioning information.
CVE-2026-14794: Improper Authorization in Craft CMS
Description
CVE-2026-14794 is a medium severity vulnerability in Craft CMS versions 4.18.0.0 and 4.18.0.1. It involves improper authorization in the actionGetNewUsersData function within the ChartsController.php file of the Charts Endpoint component. The flaw allows remote attackers to manipulate the userGroupId argument, potentially bypassing authorization controls. The issue is resolved by upgrading to version 4.18.1.
CVSS v4.0
Score 5.3medium
Affected software
cpe:2.3:a:craft:cms:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Craft CMS affects the Charts Endpoint component, specifically the actionGetNewUsersData function in src/controllers/ChartsController.php. Improper authorization occurs due to manipulation of the userGroupId argument, enabling unauthorized access to user data. The vulnerability is remotely exploitable without user interaction and requires low privileges. The vendor has addressed the issue in version 4.18.1, and upgrading to this version mitigates the risk.
Potential Impact
Successful exploitation could allow an attacker with limited privileges to access or retrieve user data without proper authorization, potentially exposing sensitive information. The vulnerability does not require user interaction and can be exploited remotely, increasing its risk. However, the CVSS score of 5.3 indicates a medium impact level.
Mitigation Recommendations
Upgrade Craft CMS to version 4.18.1 or later, which contains the official fix for this improper authorization vulnerability. No other specific mitigations are indicated. Patch status is confirmed by the vendor's versioning information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-05T18:29:29.737Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4b2d5a27e9c79719a6e0c3
Added to database: 07/06/2026, 04:21:46 UTC
Last enriched: 07/06/2026, 04:36:31 UTC
Last updated: 07/06/2026, 05:29:24 UTC
Views: 7
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