Prototype Pollution

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Prototype Pollution in the expression engine. An attacker can cause the application to become unresponsive or crash by manipulating array-element access to obtain a reference to a host built-in an...

Authorization Bypass Through User-Controlled Key

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via a mismatch between static validation and the runtime expression engine in external secrets handling. An attacker can access unauthorized secret...

Insufficiently Protected Credentials

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Insufficiently Protected Credentials through the HTTP Request V3 pagination expression handling in packages/nodes-base/nodes/HttpRequest/V3/HttpRequestV3.node.ts and...

Server-side Request Forgery (SSRF)

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the POST /rest/dynamic-node-parameters/options endpoint. An attacker can redirect responses to a server under their control by sending a specially crafted...

Arbitrary Code Injection

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Arbitrary Code Injection via the readWriteFile node in combination with git operations. An attacker can execute arbitrary commands on the host system by writing to specific configuration files and...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via improper file access controls in the workflow creation or modification process. An attacker can modify sensitive host system files, including...

Cross-site Scripting (XSS)

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Cross-site Scripting XSS due to improper enforcement of Content Security Policy in webhook response handling. An attacker can execute unauthorized scripts with same-origin privileges by crafting...

Arbitrary File Upload

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Arbitrary File Upload via the Git Node. An authenticated user can achieve execution of untrusted code by uploading malicious files that are subsequently executed by the service. This can lead to...

Symlink Attack

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Symlink Attack via the Read/Write File node. An attacker can access restricted files by creating symbolic links that bypass directory restrictions. Remediation Upgrade n8n-core to version 1.106.0 ...