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2 vulnerabilities found for Mendix SAML (Mendix 10 compatible) by Siemens

CVE-2026-89209 (GCVE-0-2026-89209)
Vulnerability from cvelistv5
Published
2026-10-26 10:41
Modified
2026-10-26 10:41
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
7.6 (High) - 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
CWE
  • CWE-294 - Authentication Bypass by Capture-replay
Summary
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.
References
Impacted products
Vendor Product Version
Siemens Mendix SAML (Mendix 10 compatible) Version: 0   < V4.2.4
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Mendix SAML (Mendix 10 compatible)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V4.2.4",
              "status": "affected",
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              "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": [
        {
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          "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"
}

CVE-2026-80465 (GCVE-0-2026-80465)
Vulnerability from cvelistv5
Published
2026-09-03 11:25
Modified
2026-10-26 10:40
Severity ?
8.7 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
8.8 (High) - CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
Summary
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 9.24 compatible) (All versions < V3.6.29). Affected versions of the module do not properly validate the SAML response signature. This could allow unauthenticated remote attackers to hijack an account (session) in specific SSO configurations.
References
Impacted products
Vendor Product Version
Siemens Mendix SAML (Mendix 10 compatible) Version: 0   < V4.2.4
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
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      {
        "metrics": [
          {
            "other": {
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                "id": "CVE-2026-80465",
                "options": [
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                  },
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                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-03T18:15:27.716259Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        }
      ],
      "metrics": [
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