← Back to CVE Explorer

CVE-2026-103906

Full vulnerability record from the local CVENow database.

Description

Use of hard-coded MQTT credentials in the AM CLUB mobile application allows an authenticated attacker to connect to the MQTT broker and access data or perform actions across tenant boundaries.

Severity
HIGH
CVSS score
7.8 (v4.0)
Vulnerability status
Received
Source identifier
a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
Published
2026-11-09 17:17:06.787000
Last modified
2026-11-09 18:17:18.663000
View original CVE JSON
{
  "id": "CVE-2026-103906",
  "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
  "published": "2026-11-09T17:17:06.787",
  "lastModified": "2026-11-09T18:17:18.663",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use of hard-coded MQTT credentials in the AM CLUB mobile application allows an authenticated attacker to connect to the MQTT broker and access data or perform actions across tenant boundaries."
    }
  ],
  "affected": [
    {
      "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
      "affectedData": [
        {
          "vendor": "am_automatic_machines",
          "product": "am_club",
          "defaultStatus": "unaffected",
          "platforms": [
            "iOS",
            "Android"
          ],
          "versions": [
            {
              "version": "1.7.194",
              "lessThan": "1.8.198",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "UNREPORTED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-09T17:22:39.420868Z",
          "id": "CVE-2026-103906",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/livieromarco/security-advisories/blob/main/advisories/CVE-2026-103906.md",
      "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"
    }
  ]
}