Vulnerability details
CVE-2026-101679
Oracle MySQL ClusterOracle MySQL Server
CVSS 3.1
7.5High
Official description
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).
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (oracle) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Oracle Corporation | MySQL Cluster | 26.7.0-26.7.1 | CVEProject cvelistV5 (CNA) |
| Oracle Corporation | MySQL Cluster | 8.0.0-8.0.49 | CVEProject cvelistV5 (CNA) |
| Oracle Corporation | MySQL Cluster | 8.4.0-8.4.12 | CVEProject cvelistV5 (CNA) |
| Oracle Corporation | MySQL Cluster | 9.7.0-9.7.3 | CVEProject cvelistV5 (CNA) |
| Oracle Corporation | MySQL Server | 26.7.0-26.7.1 | CVEProject cvelistV5 (CNA) |
| Oracle Corporation | MySQL Server | 8.4.0-8.4.12 | CVEProject cvelistV5 (CNA) |
| Oracle Corporation | MySQL Server | 9.7.0-9.7.3 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://www.oracle.com/security-alerts/cpuoct2026.html vendor-advisory
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Details
- Published
- 2026-10-21
- Last updated
- 2026-10-22
- State
- Published
- Assigner (CNA)
- oracle
Exploit prediction (EPSS)
0.47%
Probability of exploitation in 30 days
41.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-284Improper Access Control