---
id: "CVE-2026-111694"
kind: "vulnerability"
aliases: ["CVE-2026-111694"]
title: "qKnow: missing authentication exposes user phone numbers and roles"
severity: "medium"
cvss: 6.9
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["java", "package", "qknow", "self-hosted"]
not_affected_if: ["auth-required"]
published_at: "2026-10-16T18:17:52+00:00"
first_seen_at: "2026-10-23T21:57:13+00:00"
updated_at: "2026-10-25T03:42:21+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111694", "first_seen_at": "2026-10-23T21:57:13+00:00"}]
---

# qKnow: missing authentication exposes user phone numbers and roles

qKnow through 2.4.3 exposes its /flyflow workflow integration endpoints without authentication because SecurityConfig permits them. An unauthenticated remote attacker can enumerate user phone numbers, roles and department structure by posting sequential userId values.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the qKnow version in use; affected versions are 2.4.3 and earlier.
- Request `/flyflow/userById` or `/flyflow/roleAll` without a session token and see whether data is returned.
- Review the SecurityConfig permit rules for `/flyflow/**` paths.

## Timeline

- 2026-10-23T21:57:13+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-111694

## From the sources

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.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_