Vulnerability Details CVE-2026-101781
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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 33.4%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-101781
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cpe:2.3:a:oracle:mysql_cluster:26.7.0
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cpe:2.3:a:oracle:mysql_cluster:26.7.1
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cpe:2.3:a:oracle:mysql_cluster:8.0.0
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cpe:2.3:a:oracle:mysql_cluster:8.0.11
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cpe:2.3:a:oracle:mysql_cluster:8.0.21
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cpe:2.3:a:oracle:mysql_cluster:8.0.23
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cpe:2.3:a:oracle:mysql_cluster:8.0.25
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cpe:2.3:a:oracle:mysql_cluster:8.0.26
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cpe:2.3:a:oracle:mysql_cluster:8.0.27
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cpe:2.3:a:oracle:mysql_cluster:8.0.29
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cpe:2.3:a:oracle:mysql_cluster:8.0.31
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cpe:2.3:a:oracle:mysql_cluster:8.0.37
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cpe:2.3:a:oracle:mysql_cluster:8.0.40
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cpe:2.3:a:oracle:mysql_cluster:8.0.41
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cpe:2.3:a:oracle:mysql_cluster:8.0.42
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cpe:2.3:a:oracle:mysql_cluster:8.0.43
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cpe:2.3:a:oracle:mysql_cluster:8.0.44
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cpe:2.3:a:oracle:mysql_cluster:8.0.45
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cpe:2.3:a:oracle:mysql_cluster:8.0.46
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cpe:2.3:a:oracle:mysql_cluster:8.0.47
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cpe:2.3:a:oracle:mysql_cluster:8.0.49
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cpe:2.3:a:oracle:mysql_cluster:8.4.0
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cpe:2.3:a:oracle:mysql_cluster:8.4.10
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cpe:2.3:a:oracle:mysql_cluster:8.4.11
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cpe:2.3:a:oracle:mysql_cluster:8.4.12
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cpe:2.3:a:oracle:mysql_cluster:8.4.3
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cpe:2.3:a:oracle:mysql_cluster:8.4.4
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cpe:2.3:a:oracle:mysql_cluster:8.4.5
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cpe:2.3:a:oracle:mysql_cluster:8.4.6
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cpe:2.3:a:oracle:mysql_cluster:8.4.7
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cpe:2.3:a:oracle:mysql_cluster:8.4.8
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cpe:2.3:a:oracle:mysql_cluster:8.4.9
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cpe:2.3:a:oracle:mysql_cluster:9.7.0
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cpe:2.3:a:oracle:mysql_cluster:9.7.1
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cpe:2.3:a:oracle:mysql_cluster:9.7.3
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cpe:2.3:a:oracle:mysql_server:*
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cpe:2.3:a:oracle:mysql_server:8.4.0
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cpe:2.3:a:oracle:mysql_server:8.4.1
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cpe:2.3:a:oracle:mysql_server:8.4.2
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cpe:2.3:a:oracle:mysql_server:8.4.3
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cpe:2.3:a:oracle:mysql_server:8.4.4
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cpe:2.3:a:oracle:mysql_server:8.4.5
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cpe:2.3:a:oracle:mysql_server:8.4.6
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cpe:2.3:a:oracle:mysql_server:8.4.7
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cpe:2.3:a:oracle:mysql_server:8.4.8
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cpe:2.3:a:oracle:mysql_server:8.4.9
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cpe:2.3:a:oracle:mysql_server:9.7.0