{"id":"CVE-2026-111681","revision":"b941f0f8c4bf44ddb53102f47bc6e990","records":[{"revision":"b941f0f8c4bf44ddb53102f47bc6e990","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111681","aliases":[],"title":"EFAK through 5.1.0 Privilege Escalation via /api/users REST API","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.","state":0,"publishedAt":"2026-10-16T17:39:39.41+00:00","modifiedAt":"2026-10-16T21:17:35.235+00:00","affected":[{"ecosystem":"Vendor product","name":"EFAK","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"smartloli\",\n                    \"product\": \"EFAK\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"5.0.0\",\n                            \"lessThanOrEqual\": \"5.1.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/smartloli/EFAK\",\n                    \"repo\": \"https://github.com/smartloli/EFAK\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://hackmd.io/@hieuPenguinnn/efak-missing-admin-gate-user-management-api","https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/security/config/WebSecurityConfig.java#L89-L93","https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/controller/UserController.java#L218-L302","https://github.com/smartloli/EFAK","https://www.vulncheck.com/advisories/efak-through-5.1.0-privilege-escalation-via-api-users-rest-api"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111681","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111681","identifiers":["CVE-2026-111681"]},"retained":false,"historicalAffected":[]}],"coverage":[]}