{
  "cvss": 3.1,
  "datePublished": "2026-10-20T22:20:11.567",
  "dateUpdated": "2026-11-04T17:19:22.330",
  "description": "Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST).  Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Siebel CRM Integration accessible data. CVSS 3.1 Base Score 3.1 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).",
  "id": "CVE-2026-87339",
  "raw": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Siebel CRM Integration",
            "vendor": "Oracle Corporation",
            "versions": [
              {
                "lessThanOrEqual": "26.9",
                "status": "affected",
                "version": "17.0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "source": "secalert_us@oracle.com"
      }
    ],
    "configurations": [
      {
        "nodes": [
          {
            "cpeMatch": [
              {
                "criteria": "cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*",
                "matchCriteriaId": "C9DFE033-EE31-45CA-BA6E-28277A281B5D",
                "versionEndIncluding": "26.9",
                "versionStartIncluding": "17.0",
                "vulnerable": true
              }
            ],
            "negate": false,
            "operator": "OR"
          }
        ]
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST).  Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Siebel CRM Integration accessible data. CVSS 3.1 Base Score 3.1 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N)."
      }
    ],
    "id": "CVE-2026-87339",
    "lastModified": "2026-11-04T17:19:22.330",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 1.4,
          "source": "secalert_us@oracle.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-87339",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-28T13:02:54.832289Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-20T22:20:11.567",
    "references": [
      {
        "source": "secalert_us@oracle.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"
      }
    ],
    "sourceIdentifier": "secalert_us@oracle.com",
    "vulnStatus": "Analyzed",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-200"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "severity": "LOW",
  "source": "nvd",
  "title": "Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: REST)"
}