{"id":"CVE-2026-111694","summary":"qKnow through 2.4.3 Missing Authentication via /flyflow Workflow Endpoints","details":"qKnow through 2.4.3 contains a missing authentication vulnerability that allows unauthenticated remote attackers to access /flyflow workflow integration endpoints permitted in SecurityConfig. Attackers can POST sequential userId values to /flyflow/userById or call roleAll and deptListByParentDeptId to enumerate user phone numbers, roles, and department structure.","modified":"2026-10-21T02:55:49.130183934Z","published":"2026-10-16T17:39:49.601Z","database_specific":{"cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111694.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111694.json"},{"type":"PACKAGE","url":"https://github.com/qiantongtech/qKnow"},{"type":"ARTICLE","url":"https://github.com/qiantongtech/qKnow/blob/v2.4.3/qknow-framework/qknow-security/src/main/java/tech/qiantong/qknow/security/config/SecurityConfig.java#L133"},{"type":"ARTICLE","url":"https://github.com/qiantongtech/qKnow/blob/v2.4.3/qknow-module-system/qknow-module-system-biz/src/main/java/tech/qiantong/qknow/module/system/controller/admin/flyflow/FlyFlowController.java#L77-L99"},{"type":"ADVISORY","url":"https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111694"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/qknow-through-2.4.3-missing-authentication-via-flyflow-workflow-endpoints"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qiantongtech/qknow","events":[{"introduced":"0"},{"last_affected":"4fde2054792e55f6aa6d5a6a9f56e55d58d2ceb4"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0"},{"last_affected":"2.4.3"}],"source":"AFFECTED_FIELD"}]}}],"versions":["v2.4.3","v2.4.2","v2.4.1","v2.4.0","v2.3.0","v2.2.3","v2.2.2","v2.2.1","v2.2.0","v2.1.1","v2.1.0","v2.0.2","v2.0.1","v2.0.0","v1.1.1","v1.1.0","v1.0.3","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111694.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}