Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-101722

Medium 4.3

In plain English

A medium-severity improper access control in MySQL Cluster from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 77.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server, MySQL Cluster 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 packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:24.04:LTS	mariadb	no fix listed	UBUNTU-CVE-2026-101722
Ubuntu:26.04:LTS	mariadb	no fix listed	UBUNTU-CVE-2026-101722
Ubuntu:26.10	mariadb	no fix listed	UBUNTU-CVE-2026-101722
Ubuntu:22.04:LTS	mariadb-10.6	no fix listed	UBUNTU-CVE-2026-101722
Ubuntu:26.10	mysql-9.7	no fix listed	UBUNTU-CVE-2026-101722

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	MySQL Server	9.7.0-9.7.326.7.0-26.7.1
Oracle Corporation	MySQL Cluster	9.7.0-9.7.326.7.0-26.7.1

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

Oracle Advisory vendor-advisory