CVE-2026-34319

MEDIUM
5
CVSS Score
Published: April 21, 2026 at 08:35 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
2 products affected across 1 vendorMySQL ServerMySQL Shell

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Severity
MEDIUM5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

8.0.0 ≤ v ≤ 8.0.458.4.0 ≤ v ≤ 8.4.89.0.0 ≤ v ≤ 9.6.0
8.0.0 ≤ v ≤ 8.0.458.4.0 ≤ v ≤ 8.4.89.0.0 ≤ v ≤ 9.6.08.0.08.4.09.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5MEDIUMoracle
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-204

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