{"id":"CVE-2026-101774","title":"Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Pluggable Auth)","summary":"Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Pluggable Auth).  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, …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","cvssSource":"cna","vendor":"Oracle Corporation","product":"MySQL Server","affected":["mysql_server 8.4.0-8.4.12","mysql_server 9.7.0-9.7.3","mysql_server 26.7.0-26.7.1","mysql_cluster 8.0.0-8.0.49","mysql_cluster 8.4.0-8.4.12","mysql_cluster 9.7.0-9.7.3","mysql_cluster 26.7.0-26.7.1"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T21:22:51.119Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101774","references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"Oracle Advisory"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T22:23:33.925Z","slug":"CVE-2026-101774","body":"## Overview\n\nVulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Pluggable Auth).  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. Difficult to exploit 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 as well as  unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H).\n\n## Affected\n\n- `mysql_server 8.4.0-8.4.12`\n- `mysql_server 9.7.0-9.7.3`\n- `mysql_server 26.7.0-26.7.1`\n- `mysql_cluster 8.0.0-8.0.49`\n- `mysql_cluster 8.4.0-8.4.12`\n- `mysql_cluster 9.7.0-9.7.3`\n- `mysql_cluster 26.7.0-26.7.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}