CVE-2026-101803
Received
Received - Intake
Denial of Service in Oracle MySQL Server
Vulnerability report for CVE-2026-101803, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-20
Last updated on: 2026-10-20
Assigner: Oracle
Description
Description
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: XML). 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 high privileged attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQL Server, MySQL Cluster accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H).
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Oracle | Corporation | MySQL Server 8.4.0-8.4.12 |
| Oracle | Corporation | MySQL Server 9.7.0-9.7.3 |
| Oracle | Corporation | MySQL Server 26.7.0-26.7.1 |
| Oracle | Corporation | MySQL Cluster 8.0.0-8.0.49 |
| Oracle | Corporation | MySQL Cluster 8.4.0-8.4.12 |
| Oracle | Corporation | MySQL Cluster 9.7.0-9.7.3 |
| Oracle | Corporation | MySQL Cluster 26.7.0-26.7.1 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
