{"id":"CVE-2026-101781","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-101781","generatedAt":"2026-10-27T22:46:52.671Z","title":"Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS).","description":"Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS).  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 access to the physical communication segment attached to the hardware where the MySQL Server, MySQL Cluster executes to compromise MySQL Server, MySQL Cluster.  Successful attacks of this vulnerability can result in takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","published":"2026-10-20T22:18:34.000Z","lastModified":"2026-10-22T16:17:17.000Z","status":"Undergoing Analysis","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-284"],"affected":[],"epss":{"score":0.00279,"percentile":0.20141,"date":"2026-10-26","history":[{"date":"2026-10-21","score":0.00272,"percentile":0.18524}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-20T22:18:34.000Z","detail":{"score":"8.8","severity":"HIGH","publishedAt":"2026-10-20T22:18:33.710Z"},"summary":"New CVE, high severity (CVSS 8.8)."}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","source":"secalert_us@oracle.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-101781","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}