CVE-2026-111694
qKnow through 2.4.3 contains a missing authentication vulnerability that allows unauthenticated…
- Risk score
- 41/100
- CVSS
- 5.3 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 16 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 p…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 5.3 medium
References
- 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
Original description
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.
Last activity 16 Oct 2026. Patch Forecast updates every hour.