MariaDB Server Audit Plugin Comment Handling Bypass

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-3494
StatePUBLISHED
AssignerAMZN
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-03 20:16:50 UTC
Updated2026-07-14 15:43:43 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from ff89ba41-3aa1-4d27-914a-91399e9639e5

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.002740000 probability, percentile 0.192760000 (date 2026-07-14)

Problem Types: CWE-778 | NVD-CWE-noinfo | CWE-778 CWE-778 (Insufficient Logging)

VersionSourceTypeScoreSeverityVector
4.0ff89ba41-3aa1-4d27-914a-91399e9639e5Secondary5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
3.1ff89ba41-3aa1-4d27-914a-91399e9639e5Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNACVSS4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Amazon Aurora Mysql All All All All
Application Amazon Aurora Mysql 3.11.0 All All All
Application Amazon Aurora Mysql All All All All
Application Amazon Aurora Mysql All All All All
Application Amazon Relational Database Service All All All All
Application Amazon Relational Database Service All All All All
Application Amazon Relational Database Service All All All All
Application Amazon Relational Database Service All All All All
Application Amazon Relational Database Service All All All All
Application Amazon Relational Database Service All All All All
Application Amazon Relational Database Service All All All All
Application Mariadb Mariadb All All All All
Application Mariadb Mariadb All All All All
Application Mariadb Mariadb All All All All
Application Mariadb Mariadb All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA MariaDB Foundation MariaDB Server unaffected 10.6.25 Not specified
CNA MariaDB Foundation MariaDB Server unaffected 10.11.16 Not specified
CNA MariaDB Foundation MariaDB Server unaffected 11.4.10 Not specified
CNA MariaDB Foundation MariaDB Server unaffected 11.8.6 Not specified
CNA Amazon Aurora MySQL unaffected 2.12.6 Not specified
CNA Amazon Aurora MySQL unaffected 3.04.6 Not specified
CNA Amazon Aurora MySQL unaffected 3.10.3 Not specified
CNA Amazon Aurora MySQL unaffected 3.11.1 Not specified
CNA Amazon RDS For MySQL unaffected 5.7.44-RDS.20260212 Not specified
CNA Amazon RDS For MySQL unaffected 8.0.45 Not specified
CNA Amazon RDS For MySQL unaffected 8.4.8 Not specified
CNA Amazon RDS For MariaDB unaffected 10.6.25 Not specified
CNA Amazon RDS For MariaDB unaffected 10.11.16 Not specified
CNA Amazon RDS For MariaDB unaffected 11.4.10 Not specified
CNA Amazon RDS For MariaDB unaffected 11.8.6 Not specified

References

ReferenceSourceLinkTags
github.com/MariaDB/server/commit/635559a2ad68a5a6d1a354e8209c58323dba0261 ff89ba41-3aa1-4d27-914a-91399e9639e5 github.com Patch
github.com/aws/audit-plugin-for-mysql/commit/01e25a5cb1073f131eea774c06c... ff89ba41-3aa1-4d27-914a-91399e9639e5 github.com Patch
aws.amazon.com/security/security-bulletins/2026-006-AWS ff89ba41-3aa1-4d27-914a-91399e9639e5 aws.amazon.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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