CVE-2026-46863

State: Published
Severity: 7.5 High
Published: Jun 16, 2026
Updated: Jun 17, 2026
Reserved: May 18, 2026

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).

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	oracle

Weaknesses

CWE-400 Uncontrolled Resource Consumption

Affected Products

Product	Versions
MySQL ServerOracle Corporation	8.4.0-8.4.9Affected 9.0.0-9.7.0Affected
MySQL ClusterOracle Corporation	8.0.11-8.0.46Affected 8.4.0-8.4.9Affected 9.0.0-9.7.0Affected

References

Oracle Advisoryvendor-advisory

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