6.5
Medium
CVE-2026-34276 Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin)
Description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Group Replication Plugin). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| MySQL Server 9.0 | 9.0.0 → 9.6.0 | No fix stated |
| MySQL Server 8.4 | 8.4.0 → 8.4.8 | No fix stated |
| MySQL Server 8.0 | 8.0.0 → 8.0.45 | No fix stated |
Other CVEs of MySQL Server
The 1117 CVEs of MySQL Server →
CVE-2026-101803
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6.5
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CVE-2026-101802
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Parser)
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CVE-2026-101801
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Optimizer)
4.9
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CVE-2026-101800
Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Security: Privileges)
6.8
Medium