CVE Watch21 oct 2026

CVE-2026-101721

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Components Services). Supported versions that

CVSS

4.9

Medio

EPSS

0.5%

p39

KEV

—

Exploit Today

0-100

Publicado: 20 oct 2026 · Última mod.: 21 oct 2026

EPSS · 30d

0.4%EPSS · 30 días0.5%

2026-10-212026-10-25

Descripción técnica

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Components Services). 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 high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Referencias oficiales

www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2026.html

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