Description
Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: NDBCluster Plugin). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Cluster accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Cluster. CVSS 3.1 Base Score 4.6 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Oracle | MySQL Cluster | 8.0.21 and prior | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | mysql-8.0 | 8.0.22-0ubuntu0.20.04.2 | USN-4604-1 |
| Ubuntu 18.04 LTS | mysql-5.7 | 5.7.32-0ubuntu0.18.04.1 | USN-4604-1 |
| Ubuntu 16.04 LTS | mysql-5.7 | 5.7.32-0ubuntu0.16.04.1 | USN-4604-1 |
| Ubuntu 16.04 LTS | percona-server-5.6 +1 | No fix yet | — |
| Ubuntu 14.04 LTS | mysql-5.5 | No fix yet | — |
Advisories 2
- USN-4604-1 mysql-5.7, mysql-8.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- WID-SEC-2026-0205 Oracle MySQL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 25, 2026