MEDIUMCVSS v3.1 4.9Vulnerability

CVE-2026-101731

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). 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).

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Epss score
0.0044
Cvss score
4.9
Cvss severity
MEDIUM
Retrieved at
2026-10-22T22:17:33+00:00
Score
4.9
Last source
FIRST EPSS
Cvss version
3.1
Cve id
CVE-2026-101731
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-10-21T22:34:36+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Published at
2026-10-20T22:18:27.960
Last modified
2026-10-22T18:17:17.193
Epss percentile
0.37211

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-101731 (CVSS v3.1 4.9) — Ninja Signal Threat Intelligence | Ninja Signal