SEPTEMBER 6, 2026
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Case File

CVE-2026-47023

MEDIUM · CVSS 4.9 EPSS 0.32% Public Exploit

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

CyberRota Analysis

AI-Generated

MySQL Server and MySQL Cluster versions 8.4.0-8.4.10, 9.7.0-9.7.1, and 8.0.0-8.0.47 are vulnerable to an easily exploitable denial-of-service attack that allows a high-privileged attacker with network access to cause the server or cluster to hang or crash repeatedly. This vulnerability primarily impacts availability, making it critical for organizations using affected versions to prioritize remediation to maintain service uptime. Database administrators and security teams managing Oracle MySQL environments should take immediate action to mitigate this risk.

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-2026-47023
Severity
MEDIUM
CVSS
4.9
EPSS
0.32%
Oracle

Original NVD Description

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

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