SEPTEMBER 6, 2026
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Case File

CVE-2026-47012

MEDIUM · CVSS 4.4 EPSS 0.34% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-21 · Last synced 2026-08-20

CyberRota Analysis

AI-Generated

A vulnerability exists in the MySQL Server and MySQL Cluster products from Oracle, specifically within the Optimizer component, affecting several supported versions. An attacker with high privileges and network access can exploit this flaw to induce a denial-of-service condition, leading to potential server hangs or crashes. Organizations utilizing the affected MySQL versions should prioritize addressing this vulnerability to mitigate availability risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-47012
Severity
MEDIUM
CVSS
4.4
EPSS
0.34%
Oracle

Original NVD Description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Difficult to exploit 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

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