CVE-2026-56351 n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes

n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

Prototype Pollution

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Prototype Pollution via the Microsoft SQL node’s createTableStruct and related table-grouping logic in MicrosoftSql.node.ts and GenericFunctions.ts. An authenticated user who can create or modify...

CVE-2026-54312

The CVE-2026-54312 entry concerns n8n, an open-source workflow automation platform. Affected component: the Microsoft SQL node, where an authenticated user with workflow edit rights could trigger global prototype pollution by supplying a crafted value for the table parameter. This would pollute O...

CVE-2026-54312 n8n: Microsoft SQL Node Prototype Pollution

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype...

EUVD-2026-38461

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype...

CVE-2026-54312: Improperly Controlled Modification of Object Prototype Attributes

n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype...

n8n: Microsoft SQL Node Prototype Pollution

Impact An authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype process-wide for the lifetime of the n8n server process, causing...

NPM: n8n: Microsoft SQL Node Prototype Pollution

NPM: n8n: Microsoft SQL Node Prototype Pollution vulnerability discovered by ? in WordPress Npm n8n versions 2.24.0...

GHSA-X6P3-M6H9-FX7R n8n: Microsoft SQL Node Prototype Pollution

Impact An authenticated user with permission to create or modify workflows could achieve global prototype pollution via the Microsoft SQL node by supplying a crafted value as the table parameter. This pollutes Object.prototype process-wide for the lifetime of the n8n server process, causing...

PT-2026-50178

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.24.0 Description An authenticated user with permissions to create or modify workflows can achieve global prototype pollution through the Microsoft SQL node. By providing a crafted value to the table parameter, the...

SQL Injection

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to SQL Injection via the MySQL, PostgreSQL, and Microsoft SQL nodes due to improper escaping of identifier values. An attacker can execute arbitrary SQL commands by supplying specially crafted table or...