High 8.8Published Oct 20, 2026

CVE-2026-101781Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication GCS).

Updated under an hour ago (Oct 26, 2026, 4:30 AM ET)

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It affects Oracle Corporation MySQL Server and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.28%, higher than 20% of scored CVEs.

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Every CVE for Oracle Corporation MySQL Server

Exploited in the last 30 days

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).

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.28% (percentile 20)
Assigned by: oracle
NVD analysis: Undergoing Analysis
Record last updated: Oct 22, 2026
First seen by InfoSec Signals: Oct 20, 2026

Affected products

Affected products

Oracle Corporation MySQL Server oracle:mysql_server (from the name)	8.4.0-8.4.12; 9.7.0-9.7.3; 26.7.0-26.7.1	CNA record
Oracle Corporation MySQL Cluster oracle:mysql_cluster (from the name)	8.0.0-8.0.49; 8.4.0-8.4.12; 9.7.0-9.7.3; 26.7.0-26.7.1	CNA record

References

https://www.oracle.com/security-alerts/cpuoct2026.htmlvendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.