{"id":"CVE-2026-111681","published":"2026-10-16T18:17:51.063","lastModified":"2026-10-16T22:17:22.387","description":"EFAK through 5.1.0 contains a missing authorization vulnerability that allows authenticated low-privilege users to manage accounts because the /api/users endpoints lack administrator role checks. Attackers can send POST, PUT, or DELETE requests to UserController to grant themselves ROLE_ADMIN, create administrators, or delete users, gaining control of managed Kafka clusters.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/smartloli/EFAK","tags":[]},{"url":"https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/controller/UserController.java#L218-L302","tags":[]},{"url":"https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/security/config/WebSecurityConfig.java#L89-L93","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/efak-missing-admin-gate-user-management-api","tags":[]},{"url":"https://www.vulncheck.com/advisories/efak-through-5.1.0-privilege-escalation-via-api-users-rest-api","tags":[]}],"exploitRefs":[{"url":"https://github.com/smartloli/EFAK","tags":[]},{"url":"https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/controller/UserController.java#L218-L302","tags":[]},{"url":"https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/security/config/WebSecurityConfig.java#L89-L93","tags":[]}],"hasPoc":true,"ai":null}