CVE-2026-111694

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 v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/qiantongtech/qKnow
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://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure
https://www.vulncheck.com/advisories/qknow-through-2.4.3-missing-authentication-via-flyflow-workflow-endpoints
https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure

Configurations

No configuration.

History

21 Oct 2026, 21:17

Type	Values Removed	Values Added
References	~~() https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure -~~	() https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure -

16 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-16 18:17

Updated : 2026-10-21 21:17

NVD link : CVE-2026-111694

Mitre link : CVE-2026-111694

CVE.ORG link : CVE-2026-111694

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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