CVE-2026-34318 Information disclosure in MySQL Shell
A high-privileged attacker can exploit a difficult-to-exploit vulnerability in MySQL Shell to gain unauthorized access to critical data.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-34318?
CVE-2026-34318 is a medium-severity vulnerability in Oracle Mysql, published on 21 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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).
Weakness: CWE-200
Which versions are affected by CVE-2026-34318?
1 open source package ship an affected version, including mysql-shell. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mysql-shell Bitnami | All versions | 8.0.46, 8.4.9, 9.7.0 |
Products include Oracle Mysql.
How do I fix CVE-2026-34318?
Upgrade mysql-shell to a fixed version for your release line: 8.0.46, 8.4.9 or 9.7.0.
Is CVE-2026-34318 being exploited?
There is no known exploitation of CVE-2026-34318 in the wild and no public exploit code.
Other vulnerabilities in Oracle Mysql
Sources
Also known as BIT-mysql-shell-2026-34318, GHSA-m58j-v3j6-3hqq, OESA-2026-2256, UBUNTU-CVE-2026-34318.