{"id":"CVE-2026-111681","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-111681","summary":"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…","details":"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.","published":"2026-10-16T18:17:51.063","modified":"2026-10-16T18:17:51.063","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/smartloli/EFAK"},{"type":"WEB","url":"https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/controller/UserController.java#L218-L302"},{"type":"WEB","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"},{"type":"WEB","url":"https://hackmd.io/@hieuPenguinnn/efak-missing-admin-gate-user-management-api"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/efak-through-5.1.0-privilege-escalation-via-api-users-rest-api"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-16T18:17:51.063"}}