CVE-2026-111694
qKnow through 2.4.3 Missing Authentication via /flyflow Workflow Endpoints
qiantongtech qKnow
CVSS
6.9MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 21 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.44%Chance of exploitation activity in the next 30 days, higher than 37% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- qKnowaffected: all versions through 2.4.3CVE List
References 5
- github.com/qiantongtech/qKnow/blob/v2.4.3/qknow-framework/qknow-security/src/main/java/tech/qiantong/qknow/security/config/SecurityConfig.java#L133Advisoryvia CVE List
- vulncheck.com/advisories/qknow-through-2.4.3-missing-authentication-via-flyflow-workflow-endpointsAdvisoryvia CVE List
- hackmd.io/@hieuPenguinnn/qknow-flyflow-unauth-user-directory-disclosureExploitvia CVE List
- 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-L99Referencevia CVE List
- github.com/qiantongtech/qKnowReferencevia CVE List