Description

Craft CMS is a content management system (CMS). In versions 5.6.0 through 5.9.14, the `actionSavePermissions()` endpoint allows a user with only `viewUsers` permission to remove arbitrary users from all user groups. While `_saveUserGroups()` enforces per-group authorization for additions, it performs no equivalent authorization check for removals, so submitting an empty `groups` value removes all existing group memberships. Version 5.9.15 contains a patch.

INFO

Published Date :

2026-04-21T23:32:37.911Z

Last Modified :

2026-04-22T18:13:34.270Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-41128 vulnerability.

Vendors Products
Craftcms
  • Craftcms
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-41128.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability