cve-2026-91366

MEDIUM CVSS 4.7 opencve
Description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data as well as unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N).

Timeline
Published
2026-10-20 22:20 UTC
Last Modified
2026-11-04
CVSS Details

CVSS details not available.

Affected Products

No product information available.

Weaknesses (CWE)
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 4.7 MEDIUM CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N mitre
3.1 4.7 MEDIUM CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N nvd
3.1 4.7 MEDIUM CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N opencve
References

No references available.

Linked Vulnerabilities

{
  "cve": "CVE-2026-91366",
  "enrichment": {
    "affected": [
      {
        "configurations": [
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "generic",
              "value": "[22.3,26.9]"
            }
          }
        ],
        "enrichment": {
          "confidence": 100.0,
          "confidence_source": "matching",
          "scores": [
            {
              "score": 100.0,
              "source": "matching"
            }
          ]
        },
        "original": {
          "product": "Siebel CRM Cloud Applications",
          "source": "cna",
          "vendor": "Oracle Corporation"
        },
        "product": "siebel_crm_cloud_applications",
        "vendor": "oracle"
      }
    ],
    "created": "2026-10-21T09:30:14.880977+00:00",
    "title": "Unauthenticated Physical Access Enables Unauthorized Data Modification in Siebel CRM Cloud",
    "updated": "2026-10-22T19:30:09.386744+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$siebel_crm_cloud_applications"
    ]
  },
  "epss": {
    "score": 0.00201
  },
  "mitre": {
    "cpes": [
      "cpe:2.3:a:oracle:siebel_crm_cloud_applications:*:*:*:*:*:*:*:*"
    ],
    "created": "2026-10-20T21:25:34.029000+00:00",
    "description": "Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications.  While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data as well as  unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 4.7,
        "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"
      },
      "cvssV4_0": {}
    },
    "mitre_repo_path": "cves/2026/91xxx/CVE-2026-91366.json",
    "references": [
      "https://www.oracle.com/security-alerts/cpuoct2026.html"
    ],
    "title": null,
    "updated": "2026-10-21T15:58:38.980000+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$siebel_crm_cloud_applications"
    ],
    "weaknesses": []
  },
  "nvd": {
    "cpes": [
      "cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*"
    ],
    "created": "2026-10-20T22:20:39.470000+00:00",
    "description": "Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications.  While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data as well as  unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 4.7,
        "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"
      },
      "cvssV4_0": {}
    },
    "nvd_repo_path": "2026/CVE-2026-91366.json",
    "references": [
      "https://www.oracle.com/security-alerts/cpuoct2026.html"
    ],
    "title": null,
    "updated": "2026-11-04T14:18:16.760000+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$siebel_crm"
    ],
    "weaknesses": [
      "CWE-284"
    ]
  },
  "opencve": {
    "changes": [
      {
        "created": "2026-10-20T21:30:00+00:00",
        "data": [
          {
            "details": {
              "new": "Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications.  While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data as well as  unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N).",
              "old": null
            },
            "type": "description"
          },
          {
            "details": [
              "oracle",
              "oracle$PRODUCT$siebel_crm_cloud_applications"
            ],
            "type": "first_time"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:a:oracle:siebel_crm_cloud_applications:*:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          },
          {
            "details": {
              "added": [
                "oracle",
                "oracle$PRODUCT$siebel_crm_cloud_applications"
              ],
              "removed": []
            },
            "type": "vendors"
          },
          {
            "details": {
              "added": [
                "https://www.oracle.com/security-alerts/cpuoct2026.html"
              ],
              "removed": []
            },
            "type": "references"
          },
          {
            "details": {
              "added": {
                "cvssV3_1": {
                  "score": 4.7,
                  "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "223392eb-7bcf-4590-a36e-049264b59171"
      },
      {
        "created": "2026-10-21T17:15:00+00:00",
        "data": [
          {
            "details": {
              "added": [
                "CWE-284"
              ],
              "removed": []
            },
            "type": "weaknesses"
          },
          {
            "details": {
              "added": {
                "ssvc": {
                  "options": {
                    "Automatable": "no",
                    "Exploitation": "none",
                    "Technical Impact": "partial"
                  },
                  "version": "2.0.3"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "cd16ff16-34dd-4542-807c-de08ff106f98"
      },
      {
        "created": "2026-10-21T23:30:00+00:00",
        "data": [
          {
            "details": {
              "new": "Physical Network Access Enables Unauthorized Data Modification in Siebel CRM Cloud Applications",
              "old": null
            },
            "type": "title"
          }
        ],
        "id": "59a1b8a9-be14-4420-9062-4ba1021150f5"
      },
      {
        "created": "2026-10-22T01:45:00+00:00",
        "data": [
          {
            "details": {
              "new": null,
              "old": "Physical Network Access Enables Unauthorized Data Modification in Siebel CRM Cloud Applications"
            },
            "type": "title"
          }
        ],
        "id": "6a40fb86-9703-42c5-8794-1dacfa60ae8a"
      },
      {
        "created": "2026-10-22T08:30:00+00:00",
        "data": [
          {
            "details": {
              "new": "Unauthenticated Physical Access Enables Unauthorized Data Modification in Siebel CRM Cloud",
              "old": null
            },
            "type": "title"
          }
        ],
        "id": "35ec6e3c-07e3-49bc-aeb2-2295e4bb8f74"
      },
      {
        "created": "2026-11-04T14:30:00+00:00",
        "data": [
          {
            "details": [
              "oracle$PRODUCT$siebel_crm"
            ],
            "type": "first_time"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          },
          {
            "details": {
              "added": [
                "oracle$PRODUCT$siebel_crm"
              ],
              "removed": []
            },
            "type": "vendors"
          }
        ],
        "id": "c806fd19-bea2-4e9d-b2b7-be1e4c9224d3"
      }
    ],
    "cpes": {
      "data": [
        "cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:oracle:siebel_crm_cloud_applications:*:*:*:*:*:*:*:*"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    },
    "created": {
      "data": "2026-10-20T21:25:34.029000+00:00",
      "provider": "mitre"
    },
    "description": {
      "data": "Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications.  While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data as well as  unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N).",
      "provider": "mitre"
    },
    "metrics": {
      "cvssV2_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_1": {
        "data": {
          "score": 4.7,
          "vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"
        },
        "provider": "mitre"
      },
      "cvssV4_0": {
        "data": {},
        "provider": null
      },
      "epss": {
        "data": {
          "score": 0.00201
        },
        "provider": "first"
      },
      "kev": {
        "data": {},
        "provider": null
      },
      "ssvc": {
        "data": {
          "options": {
            "Automatable": "no",
            "Exploitation": "none",
            "Technical Impact": "partial"
          },
          "version": "2.0.3"
        },
        "provider": "vulnrichment"
      },
      "threat_severity": {
        "data": null,
        "provider": null
      }
    },
    "references": {
      "data": [
        "https://www.oracle.com/security-alerts/cpuoct2026.html"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    },
    "title": {
      "data": "Unauthenticated Physical Access Enables Unauthorized Data Modification in Siebel CRM Cloud",
      "provider": "enrichment"
    },
    "updated": {
      "data": "2026-11-04T14:18:16.760000+00:00",
      "provider": "nvd"
    },
    "vendors": {
      "data": [
        "oracle",
        "oracle$PRODUCT$siebel_crm",
        "oracle$PRODUCT$siebel_crm_cloud_applications"
      ],
      "providers": [
        "mitre",
        "nvd",
        "enrichment"
      ]
    },
    "weaknesses": {
      "data": [
        "CWE-284"
      ],
      "providers": [
        "nvd",
        "vulnrichment"
      ]
    }
  },
  "vulnrichment": {
    "cpes": [],
    "created": "2026-10-20T21:25:34.029000+00:00",
    "description": "Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).  Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications.  While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data as well as  unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {},
      "cvssV4_0": {},
      "kev": {},
      "ssvc": {
        "options": {
          "Automatable": "no",
          "Exploitation": "none",
          "Technical Impact": "partial"
        },
        "version": "2.0.3"
      }
    },
    "references": [],
    "title": null,
    "updated": "2026-10-21T15:58:32.852000+00:00",
    "vendors": [],
    "vulnrichment_repo_path": "2026/91xxx/CVE-2026-91366.json",
    "weaknesses": [
      "CWE-284"
    ]
  }
}
Enrichment data
View JSON API Download JSON