CVE-2026-111694
CVE-2026-111694 · qKnow through 2.4.3 Missing Authentication via /flyflow Workflow Endpoints
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.9 · Medium · EPSS 0.6%
- Published
- Updated
Affected products and versions
qknow
- Versions
- ≥ 0, ≤ 2.4.3: Affected (custom)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure
- https://github.com/qiantongtech/qKnow/blob/v2.4.3/qknow-framework/qknow-security/src/main/java/tech/qiantong/qknow/security/config/SecurityConfig.java#L133
- 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
- https://github.com/qiantongtech/qKnow
- https://www.vulncheck.com/advisories/qknow-through-2.4.3-missing-authentication-via-flyflow-workflow-endpoints
- https://nvd.nist.gov/vuln/detail/CVE-2026-111694