Medium severity · published Apr 21, 2026
CVE-2026-34317
Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client)
5.0
CVSS
0.2%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MY
MySQL · Oracle
8.0.0 through 8.0.45; 8.4.0 through 8.4.8; 9.0.0 through 9.6.0 · source: NVD
MS
MySQL Shell · Oracle Corporation
8.0.0 through 8.0.45; 8.4.0 through 8.4.8; 9.0.0 through 9.6.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34317
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34317
Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2026.html
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