CVE-2026-46863

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Summary

CVECVE-2026-46863
StatePUBLISHED
Assigneroracle
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-17 10:54:03 UTC
Updated2026-06-18 22:55:55 UTC
DescriptionVulnerability 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).

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.004700000 probability, percentile 0.369370000 (date 2026-06-21)

Problem Types: CWE-400 | 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. | CWE-400 CWE-400 Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Oracle Mysql Cluster All All All All
Application Oracle Mysql Cluster All All All All
Application Oracle Mysql Cluster All All All All
Application Oracle Mysql Server All All All All
Application Oracle Mysql Server All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Oracle Corporation MySQL Server affected 8.4.0-8.4.9 Not specified
CNA Oracle Corporation MySQL Server affected 9.0.0-9.7.0 Not specified
CNA Oracle Corporation MySQL Cluster affected 8.0.11-8.0.46 Not specified
CNA Oracle Corporation MySQL Cluster affected 8.4.0-8.4.9 Not specified
CNA Oracle Corporation MySQL Cluster affected 9.0.0-9.7.0 Not specified

References

ReferenceSourceLinkTags
www.oracle.com/security-alerts/cspujun2026.html [email protected] www.oracle.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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