---
id: CVE-2026-111682
title: >-
  EFAK 5.0.0 through 5.1.0 Missing Authorization via /api/model-config Exposes
  API Keys
summary: >-
  EFAK 5.0.0 through 5.1.0 contains a missing authorization vulnerability that
  allows authenticated low-privilege users to read LLM provider API keys through
  the /api/model-config REST API. Attackers with any ROLE_USER account can query
  /a…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-862
vendor: smartloli
product: EFAK
affected:
  - EFAK >= 5.0.0 <= 5.1.0
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T19:03:31.508837Z'
exploitAvailable: true
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T19:04:04.560Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111682'
references:
  - url: >-
      https://hackmd.io/@hieuPenguinnn/efak-missing-admin-gate-user-management-api
  - url: >-
      https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/controller/ModelConfigController.java#L34-L56
  - url: >-
      https://github.com/smartloli/EFAK/blob/v5.1.0/efak-web/src/main/java/org/kafka/eagle/web/security/config/WebSecurityConfig.java#L89-L93
  - url: 'https://github.com/smartloli/EFAK'
  - url: >-
      https://www.vulncheck.com/advisories/efak-5.0.0-through-5.1.0-missing-authorization-via-api-model-config-exposes-api-keys
    label: >-
      VulnCheck Advisory: EFAK 5.0.0 through 5.1.0 Missing Authorization via
      /api/model-config Exposes API Keys
tags:
  - cve.org
  - exploit-available
ingestedAt: '2026-10-16T18:43:08.661Z'
---

## Overview

EFAK 5.0.0 through 5.1.0 contains a missing authorization vulnerability that allows authenticated low-privilege users to read LLM provider API keys through the /api/model-config REST API. Attackers with any ROLE_USER account can query /api/model-config/page or /api/model-config/{id} to retrieve unmasked keys, enabling provider account access and incurred costs.

## Affected

- `EFAK >= 5.0.0 <= 5.1.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.