{"schemaVersion":3,"id":"CVE-2026-101679","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs).  Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and  26.7.0-26.7.1. 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).","dates":{"published":"2026-10-20T21:22:16.417Z","modified":"2026-10-21T21:06:45.832Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0046,"percentile":0.38851,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-21T00:00:00.000Z","score":0.0046,"percentile":0.38851}],"last30":[{"date":"2026-10-21T00:00:00.000Z","score":0.0046,"percentile":0.38851}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-284","name":"Improper Access Control","description":"The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","type":"weakness","status":"Incomplete","abstraction":"Pillar","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/284.html"}],"affected":[{"vendor":"oracle corporation","product":"mysql cluster","name":"MySQL Cluster","label":"mysql cluster","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"8.0.0-8.0.49","noFixRecorded":false,"fixedIn":null},{"text":"8.4.0-8.4.12","noFixRecorded":false,"fixedIn":null},{"text":"9.7.0-9.7.3","noFixRecorded":false,"fixedIn":null},{"text":"26.7.0-26.7.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0.0-8.0.49 | 8.4.0-8.4.12 | 9.7.0-9.7.3 | 26.7.0-26.7.1","eol":null,"hubHref":"/vendor/oracle_corporation/mysql_cluster"},{"vendor":"oracle corporation","product":"mysql server","name":"MySQL Server","label":"mysql server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"8.4.0-8.4.12","noFixRecorded":false,"fixedIn":null},{"text":"9.7.0-9.7.3","noFixRecorded":false,"fixedIn":null},{"text":"26.7.0-26.7.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.4.0-8.4.12 | 9.7.0-9.7.3 | 26.7.0-26.7.1","eol":null,"hubHref":"/vendor/oracle_corporation/mysql_server"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"www.oracle.com/security-alerts/cpuoct2026.html","hostname":"www.oracle.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-20T21:22:16.417Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-21T21:06:45.832Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T13:27:32.191Z","stale":false,"partial":false}}