cve-2026-73918

HIGH CVSS 7.3 opencve
Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).

Timeline
Published
2026-08-18 21:18 UTC
Last Modified
2026-08-28
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 7.3 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L mitre
3.1 7.3 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L nvd
3.1 7.3 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L opencve
References

No references available.

Linked Vulnerabilities

No linked vulnerabilities found.

{
  "cve": "CVE-2026-73918",
  "enrichment": {
    "affected": [
      {
        "configurations": [
          {
            "platform": null,
            "status": "affected",
            "versions": {
              "scheme": "semver",
              "value": "4.5.0"
            }
          }
        ],
        "enrichment": {
          "confidence": 95.0,
          "confidence_source": "inferred",
          "scores": [
            {
              "score": 95.0,
              "source": "inferred"
            },
            {
              "score": 100.0,
              "source": "matching"
            }
          ]
        },
        "original": {
          "product": "Helidon",
          "source": "cna",
          "vendor": "Oracle Corporation"
        },
        "product": "helidon",
        "vendor": "oracle"
      }
    ],
    "created": "2026-08-19T06:45:16.846624+00:00",
    "title": "Unauthenticated HTTP Access Enables Data Modification and Partial Denial of Service in Oracle Helidon",
    "updated": "2026-08-28T21:45:03.690267+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$helidon"
    ]
  },
  "epss": {
    "score": 0.00307
  },
  "mitre": {
    "cpes": [
      "cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*"
    ],
    "created": "2026-08-18T21:04:09.399000+00:00",
    "description": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).  Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 7.3,
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
      },
      "cvssV4_0": {}
    },
    "mitre_repo_path": "cves/2026/73xxx/CVE-2026-73918.json",
    "references": [
      "https://www.oracle.com/security-alerts/cspuaug2026.html"
    ],
    "title": null,
    "updated": "2026-08-28T17:31:44.687000+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$helidon"
    ],
    "weaknesses": []
  },
  "nvd": {
    "cpes": [
      "cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:*"
    ],
    "created": "2026-08-18T21:18:24.743000+00:00",
    "description": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).  Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 7.3,
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
      },
      "cvssV4_0": {}
    },
    "nvd_repo_path": "2026/CVE-2026-73918.json",
    "references": [
      "https://www.oracle.com/security-alerts/cspuaug2026.html"
    ],
    "title": null,
    "updated": "2026-08-28T20:19:51.010000+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$helidon"
    ],
    "weaknesses": [
      "CWE-284"
    ]
  },
  "opencve": {
    "changes": [
      {
        "created": "2026-08-18T21:15:00+00:00",
        "data": [
          {
            "details": {
              "new": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).   The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).",
              "old": null
            },
            "type": "description"
          },
          {
            "details": [
              "oracle",
              "oracle$PRODUCT$helidon"
            ],
            "type": "first_time"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          },
          {
            "details": {
              "added": [
                "oracle",
                "oracle$PRODUCT$helidon"
              ],
              "removed": []
            },
            "type": "vendors"
          },
          {
            "details": {
              "added": [
                "https://www.oracle.com/security-alerts/cspuaug2026.html"
              ],
              "removed": []
            },
            "type": "references"
          },
          {
            "details": {
              "added": {
                "cvssV3_1": {
                  "score": 7.3,
                  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "e6ff9385-dffa-43f9-9797-9cedea8b45f1"
      },
      {
        "created": "2026-08-19T07:00:00+00:00",
        "data": [
          {
            "details": {
              "new": "Unauthenticated HTTP Access Enables Data Modification and Partial Denial of Service in Oracle Helidon 4.5.0",
              "old": null
            },
            "type": "title"
          },
          {
            "details": {
              "added": [
                "CWE-284",
                "CWE-287"
              ],
              "removed": []
            },
            "type": "weaknesses"
          }
        ],
        "id": "88aa615f-a350-4016-8a65-4af898dc34d4"
      },
      {
        "created": "2026-08-19T13:30:00+00:00",
        "data": [
          {
            "details": {
              "added": {
                "ssvc": {
                  "options": {
                    "Automatable": "yes",
                    "Exploitation": "none",
                    "Technical Impact": "partial"
                  },
                  "version": "2.0.3"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "387f0e17-e34d-48ca-88f7-a07e7bdbb98e"
      },
      {
        "created": "2026-08-19T17:30:00+00:00",
        "data": [
          {
            "details": {
              "new": null,
              "old": "Unauthenticated HTTP Access Enables Data Modification and Partial Denial of Service in Oracle Helidon 4.5.0"
            },
            "type": "title"
          },
          {
            "details": {
              "added": [],
              "removed": [
                "CWE-287"
              ]
            },
            "type": "weaknesses"
          }
        ],
        "id": "4bab87a1-dd2c-4c8a-9919-858a80925546"
      },
      {
        "created": "2026-08-20T04:30:00+00:00",
        "data": [
          {
            "details": {
              "new": "Unauthenticated HTTP Exploitation of Oracle Helidon 4.5.0",
              "old": null
            },
            "type": "title"
          }
        ],
        "id": "a6bedb05-ffc4-44e5-90b8-5efcb6b30a93"
      },
      {
        "created": "2026-08-20T14:45:00+00:00",
        "data": [
          {
            "details": {
              "new": null,
              "old": "Unauthenticated HTTP Exploitation of Oracle Helidon 4.5.0"
            },
            "type": "title"
          }
        ],
        "id": "4318ca08-87f6-41fc-ab40-672eefef609d"
      },
      {
        "created": "2026-08-28T19:45:00+00:00",
        "data": [
          {
            "details": {
              "new": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).  Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).",
              "old": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).   The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)."
            },
            "type": "description"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          }
        ],
        "id": "7611cddd-f14d-41a2-be95-3d170520cc8f"
      },
      {
        "created": "2026-08-28T22:00:00+00:00",
        "data": [
          {
            "details": {
              "new": "Unauthenticated HTTP Access Enables Data Modification and Partial Denial of Service in Oracle Helidon",
              "old": null
            },
            "type": "title"
          }
        ],
        "id": "4d153790-5459-4d3e-822e-1d7ec8cc4498"
      }
    ],
    "cpes": {
      "data": [
        "cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:*"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    },
    "created": {
      "data": "2026-08-18T21:04:09.399000+00:00",
      "provider": "mitre"
    },
    "description": {
      "data": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).  Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).",
      "provider": "mitre"
    },
    "metrics": {
      "cvssV2_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_1": {
        "data": {
          "score": 7.3,
          "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
        },
        "provider": "mitre"
      },
      "cvssV4_0": {
        "data": {},
        "provider": null
      },
      "epss": {
        "data": {
          "score": 0.00307
        },
        "provider": "first"
      },
      "kev": {
        "data": {},
        "provider": null
      },
      "ssvc": {
        "data": {
          "options": {
            "Automatable": "yes",
            "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/cspuaug2026.html"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    },
    "title": {
      "data": "Unauthenticated HTTP Access Enables Data Modification and Partial Denial of Service in Oracle Helidon",
      "provider": "enrichment"
    },
    "updated": {
      "data": "2026-08-28T21:45:03.690267+00:00",
      "provider": "enrichment"
    },
    "vendors": {
      "data": [
        "oracle",
        "oracle$PRODUCT$helidon"
      ],
      "providers": [
        "mitre",
        "nvd",
        "enrichment"
      ]
    },
    "weaknesses": {
      "data": [
        "CWE-284"
      ],
      "providers": [
        "nvd",
        "vulnrichment"
      ]
    }
  },
  "vulnrichment": {
    "cpes": [],
    "created": "2026-08-18T21:04:09.399000+00:00",
    "description": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).   The supported version that is affected is 4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {},
      "cvssV4_0": {},
      "kev": {},
      "ssvc": {
        "options": {
          "Automatable": "yes",
          "Exploitation": "none",
          "Technical Impact": "partial"
        },
        "version": "2.0.3"
      }
    },
    "references": [],
    "title": null,
    "updated": "2026-08-19T12:08:08.397000+00:00",
    "vendors": [],
    "vulnrichment_repo_path": "2026/73xxx/CVE-2026-73918.json",
    "weaknesses": [
      "CWE-284"
    ]
  }
}
Enrichment data
View JSON API Download JSON