CVE-2026-101796: High severity Oracle MySQL Server vulnerability
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Replication). 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 require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/mysql-9.7to a version that resolves this vulnerability.Fixed in 9.7.4-2
Event History
Frequently Asked Questions
Which deployments should be prioritized for review?
Review MySQL Server deployments running 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, or 26.7.0 through 26.7.1. Also review MySQL Cluster deployments running 8.0.0 through 8.0.49, 8.4.0 through 8.4.12, 9.7.0 through 9.7.3, or 26.7.0 through 26.7.1.
What conditions must an attacker satisfy?
The attacker does not need authentication but must have network access through multiple protocols. Exploitation is difficult and requires interaction by a person other than the attacker.
What is the potential outcome if exploitation succeeds?
A successful attack can result in takeover of the affected MySQL Server or MySQL Cluster instance. Confidentiality, integrity, and availability can all be affected.