{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "8.4.0"
              },
              {
                "last_affected": "8.4.9"
              },
              {
                "introduced": "9.0.0"
              },
              {
                "last_affected": "9.7.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "dc86e412f18b36ce271f791026714e8caa0ec919"
            },
            {
              "last_affected": "f9c88132a87a7d9e740e50bce2621999695bd3fe"
            },
            {
              "introduced": "527c12ed611f3fe072c3043734319edb2c733099"
            },
            {
              "last_affected": "845d525d49c8027a4d0cdcc43372c96ba295c857"
            }
          ],
          "repo": "https://github.com/mysql/mysql-server",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "oracle",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46863.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "8.4.0-8.4.9"
          },
          {
            "last_affected": "8.4.0-8.4.9"
          },
          {
            "introduced": "9.0.0-9.7.0"
          },
          {
            "last_affected": "9.0.0-9.7.0"
          },
          {
            "introduced": "8.0.11-8.0.46"
          },
          {
            "last_affected": "8.0.11-8.0.46"
          },
          {
            "introduced": "8.4.0-8.4.9"
          },
          {
            "last_affected": "8.4.0-8.4.9"
          },
          {
            "introduced": "9.0.0-9.7.0"
          },
          {
            "last_affected": "9.0.0-9.7.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "8.4.0"
          },
          {
            "last_affected": "8.4.9"
          },
          {
            "introduced": "9.0.0"
          },
          {
            "last_affected": "9.7.0"
          },
          {
            "introduced": "8.0.11"
          },
          {
            "last_affected": "8.0.46"
          },
          {
            "introduced": "8.4.0"
          },
          {
            "last_affected": "8.4.9"
          },
          {
            "introduced": "9.0.0"
          },
          {
            "last_affected": "9.7.0"
          }
        ],
        "source": "CPE_FIELD"
      }
    ]
  },
  "details": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling).  Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and  9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).",
  "id": "CVE-2026-46863",
  "modified": "2026-07-15T01:48:56.018986425Z",
  "published": "2026-06-16T19:27:35.870Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46863.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46863"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.oracle.com/security-alerts/cspujun2026.html"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}