{"affected":[{"defaultStatus":"unaffected","product":"WSO2 API Manager","source":"CNA: WSO2","vendor":"WSO2","versions":[{"status":"affected","version":"4.1.0","versionType":"custom"},{"status":"affected","version":"4.2.0","versionType":"custom"},{"status":"affected","version":"4.3.0","versionType":"custom"},{"status":"affected","version":"4.4.0","versionType":"custom"},{"status":"affected","version":"4.5.0","versionType":"custom"},{"status":"affected","version":"4.6.0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"WSO2 API Control Plane","source":"CNA: WSO2","vendor":"WSO2","versions":[{"status":"affected","version":"4.5.0","versionType":"custom"},{"status":"affected","version":"4.6.0","versionType":"custom"}]},{"defaultStatus":"unaffected","packageName":"org.wso2.km.ext.wso2is:wso2is.key.manager.core","product":"WSO2 Identity Server Key Manager Connector (apim-km-wso2is)","source":"CNA: WSO2","vendor":"WSO2","versions":[{"lessThan":"1.8.8","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-4052","cwes":["CWE-862"],"description":"This issue only impacts deployments where WSO2 Identity Server is configured as a Resident Key Manager with database sharing. In such environments, a self-registered user may gain access to the System REST APIs of WSO2 API Manager by obtaining a token from the WSO2 Identity Server token endpoint.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":9.8,"severity":"critical","source":"CNA: WSO2","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793692953735,"publishedAt":1793692953735,"references":[{"source":"CNA: WSO2","tags":["vendor-advisory"],"url":"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/"}],"remediation":[{"kind":"fix","source":"CNA: WSO2","text":"Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5212/#solution"}],"revision":"580763c127d63bf5005d8a642863d369fef2f5672062f2522c9a0104474020be","sources":[{"modifiedAt":1793692953735,"name":"CNA: WSO2","retrievedAt":1793696932526,"url":"https://www.cve.org/CVERecord?id=CVE-2026-4052"}],"ssvc":null,"status":"published","title":"Privilege Escalation via Token Endpoint in WSO2 API Manager (APIM 4.x/IS as Resident Key Manager)","updatedAt":1793696932526}