CVE-2026-46863 vulnerability in Oracle Products
Published on June 16, 2026
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).
Vulnerability Analysis
CVE-2026-46863 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH
Products Associated with CVE-2026-46863
stack.watch emails you whenever new vulnerabilities are published in Oracle MySQL or Oracle Mysql Cluster. Just hit a watch button to start following.
Affected Versions
Oracle Corporation MySQL Server:- Version 8.4.0-8.4.9 is affected.
- Version 9.0.0-9.7.0 is affected.
- Version 8.0.11-8.0.46 is affected.
- Version 8.4.0-8.4.9 is affected.
- Version 9.0.0-9.7.0 is affected.