{"apiVersion":"1.0","identifier":"CVE-2026-41128","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.","publishedAt":"2026-04-22T00:16:28","lastModifiedAt":null,"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-41128","cvssScore":5.3,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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","epssProbability":0.00248,"riskScore":0.54,"affectedProduct":"Craft CMS","affectedVersions":"<5.9.15","vulnerabilityType":"Core software","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-41128","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-41128","en":"https://www.redsauce.net/en/cves/CVE-2026-41128","fr":"https://www.redsauce.net/fr/cves/CVE-2026-41128","pt":"https://www.redsauce.net/pt/cves/CVE-2026-41128","de":"https://www.redsauce.net/de/cves/CVE-2026-41128","sk":"https://www.redsauce.net/sk/cves/CVE-2026-41128","el":"https://www.redsauce.net/el/cves/CVE-2026-41128"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-41128"}}