FKIE_CVE-2026-46863

Vulnerability from fkie_nvd - Published: 2026-06-17 10:54 - Updated: 2026-06-18 22:55
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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).
References
secalert_us@oracle.comhttps://www.oracle.com/security-alerts/cspujun2026.htmlVendor Advisory
Impacted products
Vendor Product Version
oracle mysql_cluster *
oracle mysql_cluster *
oracle mysql_cluster *
oracle mysql_server *
oracle mysql_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "MySQL Server",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "8.4.0-8.4.9"
            },
            {
              "status": "affected",
              "version": "9.0.0-9.7.0"
            }
          ]
        },
        {
          "product": "MySQL Cluster",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "8.0.11-8.0.46"
            },
            {
              "status": "affected",
              "version": "8.4.0-8.4.9"
            },
            {
              "status": "affected",
              "version": "9.0.0-9.7.0"
            }
          ]
        }
      ],
      "source": "secalert_us@oracle.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9BEB2B15-FC30-4677-8F72-4101162AA8A4",
              "versionEndIncluding": "8.0.46",
              "versionStartIncluding": "8.0.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "445ABD4C-CCD1-4599-808B-6D22EF1F83BF",
              "versionEndIncluding": "8.4.9",
              "versionStartIncluding": "8.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2564DD37-C49C-4316-956D-4517205F81B2",
              "versionEndIncluding": "9.7.0",
              "versionStartIncluding": "9.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7C5FEF74-463F-430C-A58E-49FDAE2D1C37",
              "versionEndIncluding": "8.4.9",
              "versionStartIncluding": "8.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2B511F2A-7BF2-435A-BACE-0E17FFA15798",
              "versionEndIncluding": "9.7.0",
              "versionStartIncluding": "9.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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",
  "lastModified": "2026-06-18T22:55:55.033",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "secalert_us@oracle.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-46863",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-17T14:52:40.996015Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-17T10:54:03.967",
  "references": [
    {
      "source": "secalert_us@oracle.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cspujun2026.html"
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.