{
  "containers": {
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-18397",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-02T19:40:04.994465Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-02T19:42:28.086Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "SConnect",
          "vendor": "Thales",
          "versions": [
            {
              "lessThan": "2.16.1.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thales would like to thank James Arnott from Bay Area Labs for his coordinated disclosure and valuable contribution."
        }
      ],
      "datePublic": "2026-10-01T22:10:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\nThis vulnerability enables \u003cstrong\u003eunauthenticated remote code execution (RCE)\u003c/strong\u003e on a victim\u0027s machine by exploiting a \u003cb\u003ecombination \u003c/b\u003eof cryptographic weaknesses and memory management issues in the \u003cstrong\u003eSConnect native host\u003c/strong\u003e component.\u003c/div\u003e\u003cdiv\u003eThe attack leverages an \u003cstrong\u003eunrestricted messaging interface\u003c/strong\u003e between an attacker-controlled web page and the native host, allowing malicious input to bypass security checks.\n\n\u003c/div\u003e"
            }
          ],
          "value": "This vulnerability enables unauthenticated remote code execution (RCE) on a victim\u0027s machine by exploiting a combination of cryptographic weaknesses and memory management issues in the SConnect native host component.\n\nThe attack leverages an unrestricted messaging interface between an attacker-controlled web page and the native host, allowing malicious input to bypass security checks."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-475",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-475 Signature Spoofing by Improper Validation"
            }
          ]
        },
        {
          "capecId": "CAPEC-47",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-47 Buffer Overflow via Parameter Expansion"
            }
          ]
        },
        {
          "capecId": "CAPEC-463",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-463 Padding Oracle Crypto Attack"
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          ]
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      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "format": "CVSS",
          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347 Improper verification of cryptographic signature",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-130",
              "description": "CWE-130 Improper handling of length parameter inconsistency",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-457",
              "description": "CWE-457 Use of uninitialized variable",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-252",
              "description": "CWE-252 Unchecked return value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-01T21:49:42.379Z",
        "orgId": "9d5917ae-205d-4ae5-8749-1f49479b1395",
        "shortName": "THA-PSIRT"
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      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.thalesgroup.com/en/product-security-incident-response"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability",
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    "assignerShortName": "THA-PSIRT",
    "cveId": "CVE-2026-18397",
    "datePublished": "2026-10-01T21:49:42.379Z",
    "dateReserved": "2026-07-30T14:55:56.425Z",
    "dateUpdated": "2026-10-02T19:42:28.086Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}