Medium 4.3Published Mar 3, 2026

CVE-2026-3494MariaDB Server Audit Plugin Comment Handling Bypass

Updated under an hour ago (Oct 27, 2026, 3:30 PM ET)

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It affects MariaDB Foundation MariaDB Server and 5 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for MariaDB Foundation MariaDB Server

Exploited in the last 30 days

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.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-778
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: AMZN
NVD analysis: Analyzed
Record last updated: Oct 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MariaDB Foundation MariaDB Server mariadb_foundation:mariadb_server (from the name)	before 10.6.25; before 10.11.16; before 11.4.10; before 11.8.6	CNA record
Amazon Aurora MySQL amazon:aurora_mysql (from the name)	before 2.12.6; before 3.04.6; before 3.10.3; before 3.11.1	CNA record
Amazon RDS for MySQL amazon:rds_for_mysql (from the name)	before 5.7.44-RDS.20260212; before 8.0.45; before 8.4.8	CNA record
Amazon RDS for MariaDB amazon:rds_for_mariadb (from the name)	before 10.6.25; before 10.11.16; before 11.4.10; before 11.8.6	CNA record
mariadb mariadb mariadb:mariadb	through 10.6.24; from 10.7.0 through 10.11.15; from 11.0.0 through 11.4.9; from 11.5.0 through 11.8.5	NVD
amazon aurora_mysql amazon:aurora_mysql	through 2.12.5; from 3.01.0 before 3.04.6; from 3.05.1 through 3.10.2; 3.11.0	NVD
amazon relational_database_service amazon:relational_database_service	through 5.7.44-rds.20251212; through 10.6.24; from 8.0.11 through 8.0.44; from 8.4.3 through 8.4.7; from 10.11.4 through 10.11.15; from 11.4.3 through 11.4.9; from 11.8.3 through 11.8.5	NVD

References

References

https://aws.amazon.com/security/security-bulletins/2026-006-AWS/	vendor-advisory, third-party-advisory
https://github.com/MariaDB/server/commit/635559a2ad68a5a6d1a354e8209c58323dba0261	patch
https://github.com/aws/audit-plugin-for-mysql/commit/01e25a5cb1073f131eea774c06c8a056b1e4b2ff	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.