{"id":"CVE-2026-18397","revision":null,"records":[{"revision":"f6a9e9de73694e1ea8ad69626287b69d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-18397","aliases":[],"title":"SConnect: Native Host Unauthenticated Remote Code Execution Vulnerability","description":"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.","state":0,"publishedAt":"2026-10-01T21:49:42.379+00:00","modifiedAt":"2026-10-02T19:42:28.086+00:00","affected":[{"ecosystem":"Vendor product","name":"SConnect","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Thales\",\n                    \"product\": \"SConnect\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.16.1.0\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":9.4,"severity":"CRITICAL"}],"references":["https://www.thalesgroup.com/en/product-security-incident-response"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-18397","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-18397","identifiers":["CVE-2026-18397"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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