CVE-2026-34317: Medium severity Oracle MySQL Shell vulnerability
Last updated 6 June 2026
Other sources
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. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Shell executes to compromise MySQL Shell. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Shell. CVSS 3.1 Base Score 5.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H).
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Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-34317?
CVE-2026-34317 is considered an easily exploitable vulnerability affecting multiple versions of Oracle MySQL Shell.
How do I fix CVE-2026-34317?
To address CVE-2026-34317, upgrade Oracle MySQL Shell to a version that is not affected, such as those beyond 8.0.45, 8.4.8, and 9.6.0.
Which versions of MySQL Shell are affected by CVE-2026-34317?
CVE-2026-34317 affects Oracle MySQL Shell versions 8.0.0-8.0.45, 8.4.0-8.4.8, and 9.0.0-9.6.0.
Can low privileged attackers exploit CVE-2026-34317?
Yes, CVE-2026-34317 is easily exploitable by low privileged attackers who have access to the infrastructure running MySQL Shell.
What component of Oracle MySQL is impacted by CVE-2026-34317?
CVE-2026-34317 impacts the Shell: Core Client component of the Oracle MySQL product.