MariaDB Server vulnerability

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.

Published 3 Mar 2026Updated 20 Oct 20263 sources
CVSS 5.3

What happened

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.

Affected versions

MariaDB Server: before 10.6.25 (custom); before 10.11.16 (custom); before 11.4.10 (custom); before 11.8.6 (custom); before 2.12.6 (custom); before 3.04.6 (custom); before 3.10.3 (custom); before 3.11.1 (custom); before 5.7.44-RDS.20260212 (custom); before 8.0.45 (custom); before 8.4.8 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.