CVE-2026-46863

June 17, 2026, 3:16 p.m.

7.5
High

Description

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).

Product(s) Impacted

Vendor Product Versions
Oracle
  • Mysql Server
  • Mysql Cluster
  • 8.4.0-8.4.9, 9.0.0-9.7.0
  • 8.0.11-8.0.46, 8.4.0-8.4.9, 9.0.0-9.7.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a oracle mysql_server 8.4.0-8.4.9 / / / / / / /
a oracle mysql_server 9.0.0-9.7.0 / / / / / / /
a oracle mysql_cluster 8.0.11-8.0.46 / / / / / / /
a oracle mysql_cluster 8.4.0-8.4.9 / / / / / / /
a oracle mysql_cluster 9.0.0-9.7.0 / / / / / / /

References

https://www.oracle.com/security-alerts/cspujun2026.html

Tags

CWE-400
[email protected]
2026-06-17
CVE-2026-46863

CVSS Score

7.5 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

    View Vector String

Timeline

Published: June 17, 2026, 10:54 a.m.
Last Modified: June 17, 2026, 3:16 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.