CVE-2026-34318

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).

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34318.json",
    "cna_assigner": "oracle",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "8.0.0"
                },
                {
                    "last_affected": "8.0.45"
                },
                {
                    "introduced": "8.4.0"
                },
                {
                    "last_affected": "8.4.8"
                },
                {
                    "introduced": "9.0.0"
                },
                {
                    "last_affected": "9.6.0"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "introduced": "8.0.0"
                },
                {
                    "last_affected": "8.0.45"
                },
                {
                    "introduced": "8.4.0"
                },
                {
                    "last_affected": "8.4.8"
                },
                {
                    "introduced": "9.0.0"
                },
                {
                    "last_affected": "9.6.0"
                }
            ]
        }
    ]
}

References

Affected packages

Git / github.com/mysql/mysql-server

Affected ranges

Type

GIT

Repo

https://github.com/mysql/mysql-server

Events

Introduced

270fd3411e3d671a73ed9725940a30080f59ce6d

Last affected

666701570c392a6052341b6ddb9c21869bb1d733

Introduced

dc86e412f18b36ce271f791026714e8caa0ec919

Last affected

0896fcd61dec11a0904166911a0126f59daaa1bf

Introduced

527c12ed611f3fe072c3043734319edb2c733099

Last affected

447eb26e094b444a88c532028647e48228c3c04f

Database specific

{
    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.0.45"
        },
        {
            "introduced": "8.4.0"
        },
        {
            "last_affected": "8.4.8"
        },
        {
            "introduced": "9.0.0"
        },
        {
            "last_affected": "9.6.0"
        }
    ],
    "source": "CPE_RANGE"
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34318.json"