CVE-2026-34319: Medium severity Oracle MySQL Shell vulnerability
Last updated 6 June 2026
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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-2026-34319?
CVE-2026-34319 is classified as an easily exploitable vulnerability that poses a risk to MySQL Shell users.
Which versions of MySQL Shell are affected by CVE-2026-34319?
Affected versions of MySQL Shell include 8.0.0 to 8.0.45, 8.4.0 to 8.4.8, and 9.0.0 to 9.6.0.
How do I fix CVE-2026-34319?
To mitigate CVE-2026-34319, upgrade MySQL Shell to a version that is not affected by this vulnerability.
Can CVE-2026-34319 be exploited remotely?
CVE-2026-34319 requires local access, as an attacker must have logon privileges within the infrastructure where MySQL Shell executes.
What component of MySQL is affected by CVE-2026-34319?
CVE-2026-34319 specifically affects the Core Client component of Oracle MySQL Shell.