{"id":"CVE-2026-46863","details":"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).","modified":"2026-07-15T02:20:24.928529199Z","published":"2026-06-16T19:27:35.870Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"8.4.0-8.4.9"},{"last_affected":"8.4.0-8.4.9"},{"introduced":"9.0.0-9.7.0"},{"last_affected":"9.0.0-9.7.0"},{"introduced":"8.0.11-8.0.46"},{"last_affected":"8.0.11-8.0.46"},{"introduced":"8.4.0-8.4.9"},{"last_affected":"8.4.0-8.4.9"},{"introduced":"9.0.0-9.7.0"},{"last_affected":"9.0.0-9.7.0"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"8.4.0"},{"last_affected":"8.4.9"},{"introduced":"9.0.0"},{"last_affected":"9.7.0"},{"introduced":"8.0.11"},{"last_affected":"8.0.46"},{"introduced":"8.4.0"},{"last_affected":"8.4.9"},{"introduced":"9.0.0"},{"last_affected":"9.7.0"}],"source":"CPE_FIELD"}],"cna_assigner":"oracle","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46863.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46863.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46863"},{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cspujun2026.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mysql/mysql-server","events":[{"introduced":"dc86e412f18b36ce271f791026714e8caa0ec919"},{"last_affected":"f9c88132a87a7d9e740e50bce2621999695bd3fe"},{"introduced":"527c12ed611f3fe072c3043734319edb2c733099"},{"last_affected":"845d525d49c8027a4d0cdcc43372c96ba295c857"}],"database_specific":{"extracted_events":[{"introduced":"8.4.0"},{"last_affected":"8.4.9"},{"introduced":"9.0.0"},{"last_affected":"9.7.0"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46863.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}