dash-uploader 0.1.0 - 0.7.0a2 - Denial-of-Service via flowTotalChunks

id: CVE-2026-38361

info:
  name: dash-uploader 0.1.0 - 0.7.0a2 - Denial-of-Service via flowTotalChunks
  author: a1ohadance
  severity: high
  description: |
   fohrloop dash-uploader v0.1.0 through v0.7.0a2 contains a remote code execution caused by improper handling in Upload function and max_file_size parameter in dash_uploader components, letting remote attackers execute arbitrary code, exploit requires crafted request.
  impact: |
   Remote attackers can execute arbitrary code, potentially leading to full system compromise.
  remediation: |
   Update to the latest version beyond v0.7.0a2.
  reference:
    - https://github.com/a1ohadance/CVE-2026-38361
    - https://nvd.nist.gov/vuln/detail/CVE-2026-38361
    - https://github.com/advisories/GHSA-xp7f-v245-w3w8
    - https://github.com/fohrloop/dash-uploader/issues/153
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 7.5
    cve-id: CVE-2026-38361
    epss-score: 0.02643
    epss-percentile: 0.83767
    cwe-id: CWE-400
  metadata:
    verified: false
    max-request: 1
    vendor: fohrloop
    product: dash-uploader
    shodan-query: html:"_dash-undo-redo"
    fofa-query: body="_dash-undo-redo"
  tags: cve,cve2026,dash-uploader,unauth,python,passive

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

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "dash_uploader")'
        condition: and

    extractors:
      - type: regex
        part: body
        group: 1
        regex:
          - 'dash_uploader\.v([0-9._a-z-]+?)m[0-9]+\.min\.js'
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