CVE-2026-14794: Improper Authorization in Craft CMS
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.
AI Analysis
Technical Summary
Craft CMS versions 4.18.0.0 and 4.18.0.1 contain an improper authorization vulnerability in the actionGetNewUsersData function of src/controllers/ChartsController.php. The vulnerability arises from insufficient authorization checks on the userGroupId parameter, enabling remote attackers to manipulate this argument to gain unauthorized access to data. The issue is fixed in version 4.18.1, as indicated by the patch identified by commit 9ee53efc1314e6aba32771c66a13e072a246f4ce.
Potential Impact
Successful exploitation allows remote attackers with limited privileges to bypass authorization controls and access user data they should not be authorized to view. This could lead to unauthorized disclosure of user information via the Charts Endpoint in Craft CMS.
Mitigation Recommendations
Upgrade Craft CMS to version 4.18.1 or later, which contains the official fix for this improper authorization vulnerability. No other mitigations are specified or required once the patch is applied.
CVE-2026-14794: Improper Authorization in Craft CMS
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.
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
Craft CMS versions 4.18.0.0 and 4.18.0.1 contain an improper authorization vulnerability in the actionGetNewUsersData function of src/controllers/ChartsController.php. The vulnerability arises from insufficient authorization checks on the userGroupId parameter, enabling remote attackers to manipulate this argument to gain unauthorized access to data. The issue is fixed in version 4.18.1, as indicated by the patch identified by commit 9ee53efc1314e6aba32771c66a13e072a246f4ce.
Potential Impact
Successful exploitation allows remote attackers with limited privileges to bypass authorization controls and access user data they should not be authorized to view. This could lead to unauthorized disclosure of user information via the Charts Endpoint in Craft CMS.
Mitigation Recommendations
Upgrade Craft CMS to version 4.18.1 or later, which contains the official fix for this improper authorization vulnerability. No other mitigations are specified or required once the patch is applied.
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: 07/13/2026, 09:04:10 UTC
Last updated: 08/19/2026, 22:52:10 UTC
Views: 80
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.