CVE-2026-34318
MEDIUMOracle MySQL Shell 8.0.0-8.0.45 - Privilege Escalation
Title source: llmDescription
Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Shell. While the vulnerability is in MySQL Shell, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Shell accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N).
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
Oracle Advisory
https://www.oracle.com/security-alerts/cpuapr2026.html
Scores
CVSS v3
5.8
EPSS
0.0026
EPSS Percentile
17.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (4)
oracle/mysql
8.0.0 - 8.0.45
Oracle Corporation/MySQL Shell
8.0.0 - 8.0.45
Oracle Corporation/MySQL Shell
8.4.0 - 8.4.8
Oracle Corporation/MySQL Shell
9.0.0 - 9.6.0
Published
Apr 21, 2026
Tracked Since
Apr 22, 2026