Improper input validation in MySQL Cluster - CVE-2026-101777
Published: November 10, 2026
Vulnerability identifier: #VU163982
CSH Severity: Medium
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-101777
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to access sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Security: Encryption component in MySQL Cluster. A remote privileged user can exploit this vulnerability to access sensitive information or perform a denial of service (DoS) attack.
Affected software
MySQL Cluster
MySQL Server
Ubuntu
mysql-server (Ubuntu package)
MySQL Server
Ubuntu
mysql-server (Ubuntu package)
How to mitigate CVE-2026-101777
Install updates from vendor's website.
mysql-server (Ubuntu package) - update to 9.7.4-0ubuntu0.26.10.1