{"cve":{"cve_id":"CVE-2026-46863","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00471,"epss_percentile":0.37038,"epss_as_of":"2026-06-23","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).","published_at":"2026-06-16T19:27:35.870000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-400"],"nvd_references":["https://www.oracle.com/security-alerts/cspujun2026.html"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:39.491174Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"mysql-cluster","product_name":"MySQL Cluster","version_start":"8.0.11-8.0.46","version_start_inclusive":true,"version_end":"8.0.11-8.0.46","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:mysql-cluster:8.0.11-8.0.46:8.0.11-8.0.46"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"mysql-cluster","product_name":"MySQL Cluster","version_start":"8.4.0-8.4.9","version_start_inclusive":true,"version_end":"8.4.0-8.4.9","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:mysql-cluster:8.4.0-8.4.9:8.4.0-8.4.9"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"mysql-cluster","product_name":"MySQL Cluster","version_start":"9.0.0-9.7.0","version_start_inclusive":true,"version_end":"9.0.0-9.7.0","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:mysql-cluster:9.0.0-9.7.0:9.0.0-9.7.0"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"mysql-server","product_name":"MySQL Server","version_start":"8.4.0-8.4.9","version_start_inclusive":true,"version_end":"8.4.0-8.4.9","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:mysql-server:8.4.0-8.4.9:8.4.0-8.4.9"},{"vendor_slug":"oracle-corporation","vendor_name":"Oracle Corporation","product_slug":"mysql-server","product_name":"MySQL Server","version_start":"9.0.0-9.7.0","version_start_inclusive":true,"version_end":"9.0.0-9.7.0","version_end_inclusive":true,"cpe23_uri":"cve5:oracle-corporation:mysql-server:9.0.0-9.7.0:9.0.0-9.7.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.oracle.com/security-alerts/cspujun2026.html","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-06-16T19:27:35.870000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:54:57.553414Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:54:57.553414Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:54:57.553414Z","label":"CVSS score revised","source":"cvelistv5"}]}