Description
Vulnerability in the MySQL Router product of Oracle MySQL (component: Router: General). Supported versions that are affected are 8.4.0-8.4.10 and 9.7.0-9.7.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise MySQL Router. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Router. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
Oracle Advisory
https://www.oracle.com/security-alerts/cpujul2026.html
Scores
CVSS v3
7.5
EPSS
0.0037
EPSS Percentile
29.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (5)
oracle/mysql_router
9.7.0
oracle/mysql_router
9.7.1
oracle/mysql_router
8.4.0 - 8.4.10
Oracle Corporation/MySQL Router
8.4.0 - 8.4.10
Oracle Corporation/MySQL Router
9.7.0 - 9.7.1
Published
Jul 21, 2026
Tracked Since
Jul 22, 2026