{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Mendix SAML (Mendix 10 compatible)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V4.2.4",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Mendix SAML (Mendix 11 compatible)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V4.2.4",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "Mendix SAML (Mendix 9 compatible)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V3.6.29",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions \u003c V4.2.4), Mendix SAML (Mendix 11 compatible) (All versions \u003c V4.2.4), Mendix SAML (Mendix 9 compatible) (All versions \u003c 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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "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",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-294",
              "description": "CWE-294: Authentication Bypass by Capture-replay",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-26T10:41:01.088Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-137528.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2026-89209",
    "datePublished": "2026-10-26T10:41:01.088Z",
    "dateReserved": "2026-09-11T07:45:20.919Z",
    "dateUpdated": "2026-10-26T10:41:01.088Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}