CVE-2026-101720 Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling).
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-101720?
CVE-2026-101720 is a medium-severity vulnerability in Oracle Corporation MySQL Cluster, published on 20 Oct 2026.
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: 26.7.0-26.7.1; MySQL Cluster: 26.7.0-26.7.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-101720?
How do I fix CVE-2026-101720?
No fix has been published for CVE-2026-101720 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-101720 being exploited?
There is no known exploitation of CVE-2026-101720 in the wild and no public exploit code.
Sources
Also known as GHSA-w4pf-5vfj-jhrj.