CVE-2026-46863

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Source
https://cve.org/CVERecord?id=CVE-2026-46863
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46863.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-46863
Downstream
Published
2026-06-16T19:27:35.870Z
Modified
2026-07-15T02:20:24.928529199Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
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).

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"
        }
    ]
}
References

Affected packages

Git / github.com/mysql/mysql-server

Affected ranges

Type
GIT
Repo
https://github.com/mysql/mysql-server
Events
Introduced
dc86e412f18b36ce271f791026714e8caa0ec919
Last affected
f9c88132a87a7d9e740e50bce2621999695bd3fe
Introduced
527c12ed611f3fe072c3043734319edb2c733099
Last affected
845d525d49c8027a4d0cdcc43372c96ba295c857
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"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46863.json"