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Servers and applications

CVE-2026-46863

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…

Severity
High 7.5
Published
17 Jun 2026
Last changed
18 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
MySQLServers and applications · cpe:a:oracle:mysql_server
  • From 8.4.0 up to 8.4.9
  • From 9.0.0 up to 9.7.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-46863
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-46863