CVE-2026-101679
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk36th percentile - higher than 36% of all known CVEs
Summary
Vulnerability in MySQL Server and MySQL Cluster (Client programs component) affecting MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1 and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1. An easily exploitable network attack allows an unauthenticated attacker to cause a hang or repeatable crash (DoS). CVSS 7.5.
Risk Assessment
An unauthenticated attacker could cause a hang or repeatable crash of MySQL Server/Cluster, resulting in service unavailability. Only availability is impacted.
Recommendation
Update MySQL Server and MySQL Cluster to patched versions and consider restricting network access to database servers.
Other vulnerabilities in MySQL Server
See all- CVE-2026-101637Medium
Vulnerability in MySQL Server and MySQL Cluster (component InnoDB) versions 9.7.0-9.7.3 and 26.7.0-26.7.1. It allows a high-privileged attacker with network access via multiple protocols to cause a hang or frequently repeatable crash (complete DoS) and unauthorized modification of some data.
- CVE-2026-101629Medium
A vulnerability in Oracle MySQL (InnoDB component) affects MySQL Server 9.7.0-9.7.3 and 26.7.0-26.7.1, and MySQL Cluster in the same versions. A high-privileged attacker with network access can cause a hang or frequently repeatable crash (complete DoS) of the server or cluster.
- CVE-2026-101627Medium
A vulnerability in Oracle MySQL (InnoDB component) affects MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1, and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. A high-privileged attacker with network access can cause a hang or frequently repeatable crash (complete DoS), although exploitation is difficult.
- CVE-2026-101624Medium
A vulnerability in Oracle MySQL (InnoDB component) affects MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1, and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. A high-privileged attacker with network access can cause a hang or frequently repeatable crash (complete DoS).
- CVE-2026-101623Medium
A vulnerability in Oracle MySQL (Server: Optimizer component) affects MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1, and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. A high-privileged attacker with network access can cause a hang or frequently repeatable crash (complete DoS).
- CVE-2026-101622Medium
A vulnerability in Oracle MySQL (InnoDB component) affects MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1, and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. A high-privileged attacker with network access can cause a hang or frequently repeatable crash (complete DoS).
- CVE-2026-101621Medium
A vulnerability in Oracle MySQL (InnoDB component) affects MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1, and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. A high-privileged attacker with network access can cause a hang or frequently repeatable crash (complete DoS).
- CVE-2026-101620Medium
A vulnerability in Oracle MySQL (Server: Optimizer component) affects MySQL Server 9.7.0-9.7.3 and MySQL Cluster 9.7.0-9.7.3. A low-privileged attacker with network access can cause a hang or frequently repeatable crash (complete DoS).
- CVE-2026-101619Medium
Vulnerability in MySQL Server and MySQL Cluster (InnoDB component) allows a high-privileged attacker with network access to cause a hang or frequently repeatable crash (complete DoS) of the server. Affects MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1 and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1.
- CVE-2026-101618Medium
Vulnerability in MySQL Server and MySQL Cluster (InnoDB component) allows a high-privileged attacker with network access to cause a hang or frequently repeatable crash (complete DoS) of the server. Affects MySQL Server 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1 and MySQL Cluster 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1.
Original NVD description (English source)
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Client programs). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 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 ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS