CVE-2026-22015 Information disclosure in MySQL Server

Medium 4.3 Published 21 Apr 2026 Updated 22 Apr 2026

A low-privileged attacker can exploit a vulnerability in MySQL Server to gain unauthorized read access to a subset of accessible data.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2026-22015?

CVE-2026-22015 is a medium-severity vulnerability in Oracle Mysql Server, published on 21 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Information Schema). 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 network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Weakness: CWE-200

Which versions are affected by CVE-2026-22015?

It affects 1 product.

Products include Oracle Mysql Server.

How do I fix CVE-2026-22015?

Apply the vendor's patch.

Is CVE-2026-22015 being exploited?

There is no known exploitation of CVE-2026-22015 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Oracle Mysql Server vulnerabilities

Sources

Also known as AZL-83178, GHSA-wcjc-hfgv-f5wc, MINI-263h-55w9-mxfp, MINI-4pg8-j7p6-cc56, MINI-857p-rv57-m9wh, MINI-94g5-fx2v-j5mc and 3 more.