What is CVE-2026-34318?

CVE-2026-34318 is a medium-severity vulnerability in Oracle Mysql, classified under Information Disclosure. CVSS score: 5.8/10. Published 2026-04-21.

How severe is CVE-2026-34318?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Information disclosure in Oracle Mysql

CVE-2026-34318

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. Difficult to exploit vulnerability allows high privileged attac…

Vulnerability class: Information Disclosure

EPSS: 0.001 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N.

Affected products

Oracle Mysql
Oracle Corporation Mysql Shell — versions 8.0.0, 8.4.0, 9.0.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

Oracle Advisory (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34318?: CVE-2026-34318 is a medium-severity vulnerability in Oracle Mysql, classified under Information Disclosure. CVSS score: 5.8/10. Published 2026-04-21.
How severe is CVE-2026-34318?: Medium severity. CVSS v3 base score is 5.8 out of 10.