CVE-2026-101773
Summary
| CVE | CVE-2026-101773 |
|---|---|
| State | PUBLISHED |
| Assigner | oracle |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-20 22:18:32 UTC |
| Updated | 2026-10-29 16:26:16 UTC |
| Description | Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Group Replication Plugin). 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 access to the physical communication segment attached to the hardware where the MySQL Server, MySQL Cluster executes 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 as well as unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 7.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H). |
Risk And Classification
Primary CVSS: v3.1 7.1 HIGH from [email protected]
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS: 0.002170000 probability, percentile 0.122190000 (date 2026-10-29)
Problem Types: CWE-284 | Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the MySQL Server, MySQL Cluster executes 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 as well as unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. | CWE-284 CWE-284 Improper Access Control
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.1 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
| 3.1 | CNA | DECLARED | 7.1 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
CVSS v3.1 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Oracle | Mysql Cluster | All | All | All | All |
| Application | Oracle | Mysql Cluster | All | All | All | All |
| Application | Oracle | Mysql Cluster | All | All | All | All |
| Application | Oracle | Mysql Cluster | All | All | All | All |
| Application | Oracle | Mysql Server | All | All | All | All |
| Application | Oracle | Mysql Server | All | All | All | All |
| Application | Oracle | Mysql Server | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Oracle Corporation | MySQL Server | affected 8.4.0-8.4.12 | Not specified |
| CNA | Oracle Corporation | MySQL Server | affected 9.7.0-9.7.3 | Not specified |
| CNA | Oracle Corporation | MySQL Server | affected 26.7.0-26.7.1 | Not specified |
| CNA | Oracle Corporation | MySQL Cluster | affected 8.0.0-8.0.49 | Not specified |
| CNA | Oracle Corporation | MySQL Cluster | affected 8.4.0-8.4.12 | Not specified |
| CNA | Oracle Corporation | MySQL Cluster | affected 9.7.0-9.7.3 | Not specified |
| CNA | Oracle Corporation | MySQL Cluster | affected 26.7.0-26.7.1 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.oracle.com/security-alerts/cpuoct2026.html | [email protected] | www.oracle.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |