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    "cveMetadata": {
        "cveId": "CVE-2026-18397",
        "assignerOrgId": "9d5917ae-205d-4ae5-8749-1f49479b1395",
        "state": "PUBLISHED",
        "assignerShortName": "THA-PSIRT",
        "dateReserved": "2026-07-30T14:55:56.425Z",
        "datePublished": "2026-10-01T21:49:42.379Z",
        "dateUpdated": "2026-10-02T19:42:28.086Z"
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                "shortName": "THA-PSIRT",
                "dateUpdated": "2026-10-01T21:49:42.379Z"
            },
            "title": "SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability",
            "datePublic": "2026-10-01T22:10:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-347",
                            "description": "CWE-347 Improper verification of cryptographic signature",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-130",
                            "description": "CWE-130 Improper handling of length parameter inconsistency",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-457",
                            "description": "CWE-457 Use of uninitialized variable",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-252",
                            "description": "CWE-252 Unchecked return value",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "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"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Thales",
                    "product": "SConnect",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "2.16.1.0",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "This vulnerability enables unauthenticated remote code execution (RCE) on a victim's 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.",
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                            "value": "<div>\nThis vulnerability enables <strong>unauthenticated remote code execution (RCE)</strong> on a victim's machine by exploiting a <b>combination </b>of cryptographic weaknesses and memory management issues in the <strong>SConnect native host</strong> component.</div><div>The attack leverages an <strong>unrestricted messaging interface</strong> between an attacker-controlled web page and the native host, allowing malicious input to bypass security checks.\n\n</div>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.thalesgroup.com/en/product-security-incident-response",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "HIGH",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.4,
                        "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"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Thales would like to thank James Arnott from Bay Area Labs for his coordinated disclosure and valuable contribution.",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.4"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
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                            "content": {
                                "timestamp": "2026-10-02T19:40:04.994465Z",
                                "id": "CVE-2026-18397",
                                "options": [
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                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
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}