{"id":"CVE-2026-111681","summary":"EFAK through 5.1.0 Privilege Escalation via /api/users REST API","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.","modified":"2026-10-24T02:47:13.506754022Z","published":"2026-10-16T17:39:39.410Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-862"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111681.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111681.json"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/efak-missing-admin-gate-user-management-api"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111681"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/efak-through-5.1.0-privilege-escalation-via-api-users-rest-api"},{"type":"PACKAGE","url":"https://github.com/smartloli/EFAK"},{"type":"ARTICLE","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":"ARTICLE","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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/smartloli/efak","events":[{"introduced":"ed8aaa57a9f14e32e31cbc23f96fcb6de5ee75a7"},{"last_affected":"d3bfcf2338a9de09171e6e1c77c30c0f4de2baa9"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"5.0.0"},{"last_affected":"5.1.0"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"},{"range":[{"introduced":"0"},{"last_affected":"5.1.0"}],"source":"DESCRIPTION"}]}}],"versions":["v5.1.0","v5.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111681.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}