# FastGPT Init Data Exposure Detection Module

id: fastgpt-init-exposure
info:
  name: FastGPT Init Data Exposure
  author: sif
  severity: medium
  description: Detects an exposed FastGPT knowledge-base chat platform; its init endpoint discloses the public system config, feature flags, and the configured model providers without authentication
  tags: [fastgpt, llm, ai, rag, chat, ui, exposure, recon]

type: http

http:
  method: GET
  paths:
    - "{{BaseURL}}/api/common/system/getInitData"

  matchers:
    - type: status
      status:
        - 200

    - type: word
      part: body
      words:
        - "\"feConfigs\""

    - type: word
      part: body
      words:
        - "\"modelProviders\""

    - type: word
      part: body
      words:
        - "\"aiproxyChannels\""

  extractors:
    - type: regex
      name: fastgpt_title
      part: body
      regex:
        - '"systemTitle"\s*:\s*"([^"]+)"'
      group: 1