{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41128","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-17T12:59:15.737Z","datePublished":"2026-04-21T23:32:37.911Z","dateUpdated":"2026-04-22T18:13:34.270Z"},"containers":{"cna":{"title":"Craft CMS has a Missing Authorization Check on User Group Removal via save-permissions Action","problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"}}],"references":[{"name":"https://github.com/craftcms/cms/security/advisories/GHSA-jq2f-59pj-p3m3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/craftcms/cms/security/advisories/GHSA-jq2f-59pj-p3m3"},{"name":"https://github.com/craftcms/cms/commit/b135384808ad43fcf8836a9dd9b877fb0087bc27","tags":["x_refsource_MISC"],"url":"https://github.com/craftcms/cms/commit/b135384808ad43fcf8836a9dd9b877fb0087bc27"}],"affected":[{"vendor":"craftcms","product":"cms","versions":[{"version":">= 5.6.0, < 5.9.15","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-04-21T23:32:37.911Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-jq2f-59pj-p3m3","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-22T18:13:25.942876Z","id":"CVE-2026-41128","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-22T18:13:34.270Z"}}]}}