{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89209",
        "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "state": "PUBLISHED",
        "assignerShortName": "siemens",
        "dateReserved": "2026-09-11T07:45:20.919Z",
        "datePublished": "2026-10-26T10:41:01.088Z",
        "dateUpdated": "2026-10-26T10:41:01.088Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
                "shortName": "siemens",
                "dateUpdated": "2026-10-26T10:41:01.088Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 11 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 9 compatible) (All versions < V3.6.29). Affected versions of the module do not properly protect against SAML assertion replay in IdP-initiated authentication flows. This could allow unauthenticated remote attackers to gain unauthorized access to the application by replaying a valid SAML response."
                }
            ],
            "affected": [
                {
                    "vendor": "Siemens",
                    "product": "Mendix SAML (Mendix 10 compatible)",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "V4.2.4",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "Mendix SAML (Mendix 11 compatible)",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "V4.2.4",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "Mendix SAML (Mendix 9 compatible)",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "V3.6.29",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
                        "baseScore": 6.8,
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
                        "baseScore": 7.6,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-294",
                            "description": "CWE-294: Authentication Bypass by Capture-replay",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://cert-portal.siemens.com/productcert/html/ssa-137528.html"
                }
            ]
        }
    }
}