{"id":"CVE-2026-111694","title":"qKnow through 2.4.3 Missing Authentication via /flyflow Workflow Endpoints","summary":"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 t…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-306"],"vendor":"qiantongtech","product":"qKnow","affected":["qKnow <= 2.4.3"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-21T21:12:27.327826Z"},"exploitAvailable":true,"published":"2026-10-16","updated":"2026-10-21","sourceUpdated":"2026-10-21T21:12:49.599Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111694","references":[{"url":"https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure"},{"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"},{"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"},{"url":"https://github.com/qiantongtech/qKnow"},{"url":"https://www.vulncheck.com/advisories/qknow-through-2.4.3-missing-authentication-via-flyflow-workflow-endpoints","label":"VulnCheck Advisory: qKnow through 2.4.3 Missing Authentication via /flyflow Workflow Endpoints"}],"tags":["cve.org","exploit-available"],"epss":0.00564,"epssPercentile":0.46661,"ingestedAt":"2026-10-16T18:43:08.656Z","slug":"CVE-2026-111694","body":"## Overview\n\nqKnow 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.\n\n## Affected\n\n- `qKnow <= 2.4.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":227440,"id":"CVE-2026-111694","ts":1792621167909,"field":"exploit_available","old":"false","new":"true"}]}