CVE-2026-111694CWE-306

CVE-2026-111694

Medium · published October 16, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
37.5
In the wild
Unconfirmed
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 phone numbers, roles, and department structure.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · 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
EPSS
0.00443 · 37.5th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-10-16T22:17Z
References (6)
https://github.com/qiantongtech/qKnow · [email protected]https://www.vulncheck.com/advisories/qknow-through-2.4.3-missing-authentication-via-flyflow-workflow-endpoints · [email protected]https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure · 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/qiantongtech/qKnow/blob/v2.4.3/qknow-framework/qknow-security/src/main/java/tech/qiantong/qknow/security/config/SecurityConfig.java#L133 · [email protected]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 · [email protected]https://hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosure · [email protected]
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 16 OCT 17:39Z
    qKnow through 2.4.3 Missing Authentication via /flyflow Workflow Endpoints
    cvelistv5
  • 16 OCT 17:39Z
    qKnow through 2.4.3 Missing Authentication via /flyflow Workflow Endpoints
    cvelistv5