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CVE-2026-3494: mariadb vulnerability
CVE-2026-3494: medium vulnerability affecting mariadb. Check CVSS, KEV status, business impact and recommended administrator actions.
- CVSS
- 5.3 MEDIUM
- EPSS
- 19.53%
- Known exploited
- not in KEV
- Product
- mariadb
What is known
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.
Business impact
Successful exploitation of CVE-2026-3494, a medium vulnerability (CVSS 5.3) affecting mariadb, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.
Recommended administrator action
Confirm whether mariadb is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.