cve-2026-73912

CRITICAL CVSS 9.8 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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

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)
CWE-284
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H mitre
3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H nvd
3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H opencve
References

No references available.

Linked Vulnerabilities

No linked vulnerabilities found.

{
  "cve": "CVE-2026-73912",
  "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": "2026-08-19T06:45:16.846881+00:00",
    "title": "Helidon Unauthenticated HTTP Remote Code Execution Vulnerability",
    "updated": "2026-08-28T20:30:08.456758+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$helidon"
    ]
  },
  "epss": {
    "score": 0.00508
  },
  "mitre": {
    "cpes": [
      "cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*"
    ],
    "created": "2026-08-18T21:04:07.507000+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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 9.8,
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
      },
      "cvssV4_0": {}
    },
    "mitre_repo_path": "cves/2026/73xxx/CVE-2026-73912.json",
    "references": [
      "https://www.oracle.com/security-alerts/cspuaug2026.html"
    ],
    "title": null,
    "updated": "2026-08-27T21:38:21.181000+00:00",
    "vendors": [
      "oracle",
      "oracle$PRODUCT$helidon"
    ],
    "weaknesses": []
  },
  "nvd": {
    "cpes": [
      "cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:*"
    ],
    "created": "2026-08-18T21:18:24.027000+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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {
        "score": 9.8,
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
      },
      "cvssV4_0": {}
    },
    "nvd_repo_path": "2026/CVE-2026-73912.json",
    "references": [
      "https://www.oracle.com/security-alerts/cspuaug2026.html"
    ],
    "title": null,
    "updated": "2026-08-28T00:18:11.807000+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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
              "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": 9.8,
                  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "ccaa19b7-7e3c-4879-9af0-a2ed6be411db"
      },
      {
        "created": "2026-08-19T07:00:00+00:00",
        "data": [
          {
            "details": {
              "new": "Unauthenticated HTTP Exploit in Oracle Helidon 4.5.0 Enables Remote Code Execution",
              "old": null
            },
            "type": "title"
          },
          {
            "details": {
              "added": [
                "CWE-284"
              ],
              "removed": []
            },
            "type": "weaknesses"
          }
        ],
        "id": "94b2aa3d-cbcb-4a74-9035-22fe7a98fa09"
      },
      {
        "created": "2026-08-19T15:30:00+00:00",
        "data": [
          {
            "details": {
              "added": {
                "ssvc": {
                  "options": {
                    "Automatable": "yes",
                    "Exploitation": "none",
                    "Technical Impact": "total"
                  },
                  "version": "2.0.3"
                }
              },
              "removed": {},
              "updated": {}
            },
            "type": "metrics"
          }
        ],
        "id": "7e0cbcac-4aff-4b51-a06e-5541afd2233e"
      },
      {
        "created": "2026-08-19T18:30:00+00:00",
        "data": [
          {
            "details": {
              "new": null,
              "old": "Unauthenticated HTTP Exploit in Oracle Helidon 4.5.0 Enables Remote Code Execution"
            },
            "type": "title"
          }
        ],
        "id": "43b41438-b026-4d84-a6fd-52c4b52dcaf0"
      },
      {
        "created": "2026-08-20T07:15:00+00:00",
        "data": [
          {
            "details": {
              "new": "Helidon 4.5.0 Unauthenticated HTTP Exploit Allows Service Takeover",
              "old": null
            },
            "type": "title"
          }
        ],
        "id": "992b5a57-f06f-47b2-8c21-622aa10c5525"
      },
      {
        "created": "2026-08-20T19:45:00+00:00",
        "data": [
          {
            "details": {
              "new": null,
              "old": "Helidon 4.5.0 Unauthenticated HTTP Exploit Allows Service Takeover"
            },
            "type": "title"
          }
        ],
        "id": "ccbad6a8-2a37-42ec-8d2f-05e1b3835115"
      },
      {
        "created": "2026-08-27T18:00:00+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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
              "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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)."
            },
            "type": "description"
          },
          {
            "details": {
              "added": [
                "cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*"
              ],
              "removed": []
            },
            "type": "cpes"
          }
        ],
        "id": "530deb35-026a-4624-8b79-bcd02558c5fb"
      },
      {
        "created": "2026-08-28T20:45:00+00:00",
        "data": [
          {
            "details": {
              "new": "Helidon Unauthenticated HTTP Remote Code Execution Vulnerability",
              "old": null
            },
            "type": "title"
          }
        ],
        "id": "b700c8bc-4009-4d7b-a55e-0d36c137495b"
      }
    ],
    "cpes": {
      "data": [
        "cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:*"
      ],
      "providers": [
        "mitre",
        "nvd"
      ]
    },
    "created": {
      "data": "2026-08-18T21:04:07.507000+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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
      "provider": "mitre"
    },
    "metrics": {
      "cvssV2_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_0": {
        "data": {},
        "provider": null
      },
      "cvssV3_1": {
        "data": {
          "score": 9.8,
          "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        },
        "provider": "mitre"
      },
      "cvssV4_0": {
        "data": {},
        "provider": null
      },
      "epss": {
        "data": {
          "score": 0.00508
        },
        "provider": "first"
      },
      "kev": {
        "data": {},
        "provider": null
      },
      "ssvc": {
        "data": {
          "options": {
            "Automatable": "yes",
            "Exploitation": "none",
            "Technical Impact": "total"
          },
          "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": "Helidon Unauthenticated HTTP Remote Code Execution Vulnerability",
      "provider": "enrichment"
    },
    "updated": {
      "data": "2026-08-28T20:30:08.456758+00:00",
      "provider": "enrichment"
    },
    "vendors": {
      "data": [
        "oracle",
        "oracle$PRODUCT$helidon"
      ],
      "providers": [
        "mitre",
        "nvd",
        "enrichment"
      ]
    },
    "weaknesses": {
      "data": [
        "CWE-284"
      ],
      "providers": [
        "nvd",
        "vulnrichment"
      ]
    }
  },
  "vulnrichment": {
    "cpes": [],
    "created": "2026-08-18T21:04:07.507000+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 takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
    "metrics": {
      "cvssV2_0": {},
      "cvssV3_0": {},
      "cvssV3_1": {},
      "cvssV4_0": {},
      "kev": {},
      "ssvc": {
        "options": {
          "Automatable": "yes",
          "Exploitation": "none",
          "Technical Impact": "total"
        },
        "version": "2.0.3"
      }
    },
    "references": [],
    "title": null,
    "updated": "2026-08-19T14:04:25.976000+00:00",
    "vendors": [],
    "vulnrichment_repo_path": "2026/73xxx/CVE-2026-73912.json",
    "weaknesses": [
      "CWE-284"
    ]
  }
}
Enrichment data
EPSS
View JSON Download
CISA KEV
View JSON Download
Aggregated bundle (all enrichments)
View JSON API Download bundle
View JSON API Download JSON