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MySQL Community Edition Security Advisory

MySQL Community Edition Vulnerability Advisory: April 2026

This page provides a view of the vulnerabilities addressed in MySQL Community Edition in the April 2026 Oracle MySQL Critical Patch Update. For this page, “MySQL Community Edition” means Community-distributed MySQL products. Only rows that map to Community-distributed components are included here. For the complete risk matrix, including details of fixes in MySQL Enterprise Edition, refer to Oracle’s April 2026 MySQL appendix.

Scope

The broader MySQL Community Edition product set includes MySQL Server, MySQL Cluster, MySQL Shell, MySQL Workbench, and MySQL Connectors. Based on the affected rows shown in the April 2026 Oracle MySQL Risk Matrix, the MySQL Community Edition products represented on this page are:

MySQL Server MySQL Cluster MySQL Shell MySQL Workbench

How to use this page

Summary

MySQL Community Edition rows 32
Affected product families 4
Remote exploitable without auth 2
Enterprise rows not shown here 2

Counts above reflect only the MySQL Community Edition rows represented on this page from the April 2026 Oracle MySQL Risk Matrix.

Affected MySQL Community Edition products and vulnerable version ranges

MySQL Community Edition vulnerability details

CVE Product Component Protocol Remote without Auth CVSS Supported Versions Affected Notes
CVE-2025-15467 MySQL Server Server: Packaging (OpenSSL) MySQL Protocol Yes 9.8 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2025-15467 MySQL Workbench MySQL Workbench (OpenSSL) MySQL Workbench Yes 9.8 8.0.0-8.0.46
CVE-2026-34270 MySQL Server Server: Group Replication Plugin MySQL Protocol No 6.5 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34271 MySQL Server Server: Group Replication Plugin MySQL Protocol No 6.5 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34276 MySQL Server Server: Group Replication Plugin MySQL Protocol No 6.5 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34308 MySQL Server Server: JSON MySQL Protocol No 6.5 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-22009 MySQL Server Server: Optimizer MySQL Protocol No 6.5 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-22017 MySQL Server Server: Optimizer MySQL Protocol No 6.5 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34272 MySQL Server Server: Optimizer MySQL Protocol No 6.5 9.0.0-9.6.0
CVE-2026-34303 MySQL Server Server: Optimizer MySQL Protocol No 6.5 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2025-14017 MySQL Server Server: Packaging (curl) None No 6.3 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0 Patch also addresses CVE-2025-13034, CVE-2025-14524, CVE-2025-14819, CVE-2025-15079, and CVE-2025-15224.
CVE-2026-34318 MySQL Shell Shell: Core Client Multiple No 5.8 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2025-5318 MySQL Cluster Cluster: General (libssh) Multiple No 5.4 8.0.0-8.0.44, 8.4.0-8.4.7, 9.0.0-9.5.0 Patch also addresses CVE-2025-4877, CVE-2025-4878, CVE-2025-5351, CVE-2025-5372, CVE-2025-5449, and CVE-2025-5987.
CVE-2026-34317 MySQL Shell Shell: Core Client None No 5.0 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34319 MySQL Shell Shell: Core Client None No 5.0 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-22004 MySQL Server InnoDB MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34304 MySQL Server InnoDB MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-35236 MySQL Server InnoDB MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-35237 MySQL Server InnoDB MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-35238 MySQL Server InnoDB MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34293 MySQL Server Server: DML MySQL Protocol No 4.9 8.0.0-8.0.45
CVE-2026-35239 MySQL Server Server: DML MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-35235 MySQL Server Server: GIS MySQL Protocol No 4.9 9.0.0-9.6.0
CVE-2026-21998 MySQL Server Server: Optimizer MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-22005 MySQL Server Server: Optimizer MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-22002 MySQL Server Server: Optimizer MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-34267 MySQL Server Server: Optimizer MySQL Protocol No 4.9 8.0.0-8.0.45
CVE-2026-34278 MySQL Server Server: Optimizer MySQL Protocol No 4.9 8.0.0-8.0.45
CVE-2026-35240 MySQL Server Server: Optimizer MySQL Protocol No 4.9 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-35234 MySQL Server Server: Partition MySQL Protocol No 4.9 9.0.0-9.6.0
CVE-2026-22015 MySQL Server Server: Information Schema MySQL Protocol No 4.3 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0
CVE-2026-22001 MySQL Server Server: Information Schema MySQL Protocol No 2.7 8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0