CVE-2026-101720
Public on 2026-10-20
Modified on 2026-10-22
Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 26.7.0-26.7.1; MySQL Cluster: 26.7.0-26.7.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | mariadb | Not Affected | ||
| Amazon Linux 2023 | mariadb1011 | Not Affected | ||
| Amazon Linux 2027 Preview | mariadb1011 | Not Affected | ||
| Amazon Linux 2023 | mariadb105 | No Fix Planned | ||
| Amazon Linux 2023 | mariadb114 | Not Affected | ||
| Amazon Linux 2027 Preview | mariadb114 | Not Affected | ||
| Amazon Linux 2023 | mariadb118 | Not Affected | ||
| Amazon Linux 2027 Preview | mariadb118 | Not Affected | ||
| Amazon Linux 2023 | mariadb123 | Not Affected | ||
| Amazon Linux 2027 Preview | mariadb123 | Not Affected | ||
| Amazon Linux 2 - Core | perl-DBD-MySQL | Not Affected | ||
| Amazon Linux 2023 | perl-DBD-MySQL | Not Affected | ||
| Amazon Linux 2023 | perl-DateTime-Format-MySQL | Not Affected | ||
| Amazon Linux 2027 Preview | perl-DateTime-Format-MySQL | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |