CVE-2026-44745

{
  "id": "CVE-2026-44745",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-14T01:16:17.320",
  "lastModified": "2026-10-24T22:10:00.210",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SAP Approuter does not properly validate incoming request headers during the OAuth2 login flow under certain configurations. This allows an unauthenticated remote attacker to craft a malicious link which, when clicked by a victim, could lead to unauthorized access. Successful exploitation results in a high impact to the confidentiality and integrity with no impact on the availability of the application."
    },
    {
      "lang": "es",
      "value": "SAP Approuter no valida correctamente los encabezados de solicitud entrantes durante el flujo de inicio de sesión de OAuth2 bajo ciertas configuraciones. Esto permite a un atacante remoto no autenticado crear un enlace malicioso que, al ser clicado por una víctima, podría conducir a acceso no autorizado. La explotación exitosa resulta en un alto impacto en la confidencialidad y la integridad, sin impacto en la disponibilidad de la aplicación."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "SAP_SE",
          "product": "SAP Approuter",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "SAP Approuter node.js package < 21.2.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-14T12:39:28.750959Z",
          "id": "CVE-2026-44745",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:sap:approuter:*:*:*:*:*:node.js:*:*",
              "versionEndExcluding": "21.2.0",
              "matchCriteriaId": "B2056FC6-B111-4045-A3A6-05C00672D762"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://me.sap.com/notes/3741519",
      "source": "[email protected]",
      "tags": [
        "Permissions Required"
      ]
    },
    {
      "url": "https://url.sap/sapsecuritypatchday",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}