CVE-2026-22015: Infoleak

Published Apr 21, 2026
·
Updated

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).

Affected Software

6 affected componentsFixes available
Oracle MySQL Server>=8.0.0<=8.0.45, >=8.4.0<=8.4.8, >=9.0.0<=9.6.0
Oracle MySQL Server>=8.0.0<=8.0.45
Oracle MySQL Server>=8.4.0<=8.4.8
Oracle MySQL Server>=9.0.0<=9.6.0
Microsoft azl3 mysql 8.0.45-2
Microsoft cbl2 mysql 8.0.45-3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    Restrict network access to the MySQL Server to trusted hosts/IPs and networks (for example via firewall rules, ACLs or network segmentation) and block or limit exposure of MySQL service ports/protocols to untrusted networks to mitigate remote exploitation via multiple protocols.

Event History

Apr 21, 2026
CVE Published
via MITRE·08:35 PM
Data Sourced
via MITRE·08:35 PM
DescriptionSeverity
Data Sourced
via Red Hat·09:05 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Apr 23, 2026
Data Sourced
via Microsoft·08:03 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:03 AM
Affected Software
Updated
via Microsoft·08:03 AM
Severity

Frequently Asked Questions

1

What is the severity of CVE-2026-22015?

CVE-2026-22015 is considered a high severity vulnerability that can be exploited by low privileged attackers.

2

How do I fix CVE-2026-22015?

To fix CVE-2026-22015, update your MySQL Server to the latest version that addresses the vulnerability.

3

What versions are affected by CVE-2026-22015?

CVE-2026-22015 affects MySQL Server versions 8.0.0 to 8.0.45, 8.4.0 to 8.4.8, and 9.0.0 to 9.6.0.

4

What type of attacks can CVE-2026-22015 facilitate?

CVE-2026-22015 can facilitate remote code execution and unauthorized data access by attackers.

5

Is CVE-2026-22015 easily exploitable?

Yes, CVE-2026-22015 is considered easily exploitable, requiring only low privileges and network access.

Contact

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