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AWS Security Bulletins

MariaDB Server Audit Plugin Comment Handling Bypass

Bulletin ID: 2026-006-AWS Scope: AWS Content Type: Informational Publication Date: 2026/03/03 10:15 AM PST Description: Amazon RDS/Aurora is a managed relational database service. We identified CVE-2026-3494. In MariaDB server version through 11.8.5, when server audit plugin is enabled with server_audit_events variable configured with QUERY_DCL, QUERY_DDL, or QUERY_DML filtering, if an authenticated database user invokes a SQL statement prefixed with double-hyphen (‐‐) or hash (#) style comments, the statement is not logged. Impacted versions: - MariaDB Server (10.6.24 and prior, 10.11.15 and prior, 11.4.9 and prior, and 11.8.5 and prior) - Amazon Aurora MySQL (2.12.5 and prior, 3.01.0 to 3.04.5, 3.05.1 to 3.10.2, and 3.11.0) - Amazon RDS for MySQL (5.7.44-RDS.20251212 and prior, 8.0.11 to 8.0.44, and 8.4.3 to 8.4.7) - Amazon RDS for MariaDB (10.6.24 and prior, 10.11.4 to 10.11.15, 11.4.3 to 11.4.9, and 11.8.3 to 11.8.5) Please refer to the article below for the most up-to-date and complete information related to this AWS Security Bulletin.

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CVEs named in this advisory

CVE-2026-3494View CVSS, KEV, EPSS, and threat context
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