Improper input validation in MySQL Shell - CVE-2026-34317
Published: April 22, 2026
Vulnerability identifier: #VU126776
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-34317
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Oracle
Affected software:
MySQL Shell
MySQL Shell
Detailed vulnerability description
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Shell: Core Client component in MySQL Shell. A local authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
How to mitigate CVE-2026-34317
Install updates from vendor's website.