CVE-2026-34318

{
  "id": "CVE-2026-34318",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-21T21:16:37.327",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client).  Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and  9.0.0-9.6.0. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Shell.  While the vulnerability is in MySQL Shell, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all MySQL Shell accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el producto MySQL Shell de Oracle MySQL (componente: Shell: Core Client). Las versiones soportadas que están afectadas son 8.0.0-8.0.45, 8.4.0-8.4.8 y 9.0.0-9.6.0. Vulnerabilidad difícil de explotar permite a un atacante con altos privilegios con acceso a la red a través de múltiples protocolos comprometer MySQL Shell. Aunque la vulnerabilidad está en MySQL Shell, los ataques pueden tener un impacto significativo en productos adicionales (cambio de alcance). Los ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado a datos críticos o acceso completo a todos los datos accesibles por MySQL Shell. Puntuación Base CVSS 3.1 de 5.8 (impactos en la confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "MySQL Shell",
          "versions": [
            {
              "version": "8.0.0",
              "lessThanOrEqual": "8.0.45",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "8.4.0",
              "lessThanOrEqual": "8.4.8",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "9.0.0",
              "lessThanOrEqual": "9.6.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.3,
        "impactScore": 4.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-22T13:11:06.943015Z",
          "id": "CVE-2026-34318",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "8.0.0",
              "versionEndIncluding": "8.0.45",
              "matchCriteriaId": "E9A0C181-31F9-4D0F-8286-107145BBE875"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "8.4.0",
              "versionEndIncluding": "8.4.8",
              "matchCriteriaId": "AF49A82F-E371-4647-B32F-E67DD8FC8722"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.0.0",
              "versionEndIncluding": "9.6.0",
              "matchCriteriaId": "7CCB362B-6A11-4B73-8176-C8C9FC19386A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuapr2026.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}