CVE-2026-107385
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MariaDB Connector/Node.js SQL Injection via NO_BACKSLASH_ESCAPES

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: GitHub, Inc.

Description
MariaDB Connector/Node.js is used to connect applications developed on Node.js to MariaDB and MySQL databases. Prior to 3.2.5, 3.3.4, 3.4.7, and 3.5.4, text-protocol escaping always prefixes quotes with a backslash and does not honor the session's NO_BACKSLASH_ESCAPES mode, including in Connection.escape(). When that mode is enabled, the backslash is an ordinary character, so an attacker-controlled placeholder value can close the SQL string literal and inject arbitrary SQL with the application's database privileges. The vulnerable configuration may be enabled server-wide, through connector initialization options, or with an application-issued SET sql_mode; execute() and batch() use binary protocols and are not affected. This issue is fixed in versions 3.2.5, 3.3.4, 3.4.7, and 3.5.4.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-09
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-107385
EUVD
EUVD-2026-95150

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
mariadb-corporation mariadb-connector-nodejs < 3.2.5
mariadb-corporation mariadb-connector-nodejs >= 3.3.0, < 3.3.4
mariadb-corporation mariadb-connector-nodejs >= 3.4.0, < 3.4.7
mariadb-corporation mariadb-connector-nodejs >= 3.5.0-rc.0, < 3.5.4

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

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Executive Summary

CVE-2026-107385 is a SQL injection vulnerability in MariaDB Connector/Node.js affecting versions before 3.2.5, 3.3.4, 3.4.7, and 3.5.4. The issue occurs when the session uses NO_BACKSLASH_ESCAPES mode, which the connector fails to handle correctly. The connector always escapes quotes with backslashes, but in this mode, backslashes are treated as ordinary characters. This allows attackers to inject arbitrary SQL by closing string literals prematurely.

Detection Guidance

To detect this vulnerability, check if your MariaDB Connector/Node.js version is below 3.2.5, 3.3.4, 3.4.7, or 3.5.4. Run 'npm list mariadb-connector-nodejs' in your project directory to verify the installed version. If vulnerable, inspect application code for use of Connection.escape() or text-protocol queries with NO_BACKSLASH_ESCAPES enabled.

Impact Analysis

If exploited, this vulnerability could allow attackers to execute arbitrary SQL commands with the application's database privileges. This may lead to unauthorized data access, modification, or deletion. The impact depends on the application's database permissions and the sensitivity of the data stored.

Compliance Impact

This vulnerability could lead to data breaches, violating regulations like GDPR (data protection) and HIPAA (health information privacy). Non-compliance may result in legal penalties, reputational damage, and loss of customer trust. Organizations must ensure proper data protection measures are in place.

Mitigation Strategies

Upgrade MariaDB Connector/Node.js to version 3.2.5, 3.3.4, 3.4.7, or 3.5.4 or later. Alternatively, use execute() or batch() methods which are not affected by this vulnerability. Disable NO_BACKSLASH_ESCAPES mode if enabled in your database sessions.

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