CVE-2026-34318
Published: April 25, 2026Last modified: May 5, 2026
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. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Shell. While the vulnerability is in MySQL Shell, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all MySQL Shell accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N).
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.8 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N |
Notes
https://mariadb.com/docs/server/security/cve/security-vulnerabilities-in-oracle-mysql-that-did-not-exist-in-mariadb
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | mariadb | Not affected (10.6.12-r0) |
| 25 LTS | mariadb | Not affected (11.4.5-r0) | |
| Stream | mariadb | Not affected (10.11.4-r0) |