CVE-2026-45582

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

CVE-2026-45582

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

CVE-2026-45582

Affected software: n8n-MCP (MCP server). Before version 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters in telemetry data sent to the anonymous backend. This could expose values such as customer/tenant identifiers, short secrets in query strin...

EUVD-2026-33319

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

CVE-2026-45582: Insertion of Sensitive Information Into Sent Data

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.3, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry...

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...

n8n: Credential exfiltration via Allowed HTTP Request Domains Bypass

Impact The POST /rest/dynamic-node-parameters/options endpoint allowed any authenticated user to cause the n8n server to issue HTTP requests including credentials bypassing the intended restrictions on which hosts could be contacted for that credential Allowed HTTP Request Domains. The user neede...

PT-2026-51414

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.20.0 Description An issue in the "POST /rest/dynamic-node-parameters/options" endpoint allows authenticated users with credential access to bypass Allowed HTTP Request Domains restrictions. This enables an attacker to...

NPM: n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

NPM: n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters vulnerability discovered by ? in WordPress Npm n8n-mcp versions 2.51.3...

The vulnerability of the N8n automation platform, related to deficiencies in the authentication process, allows a malicious actor to reuse the external API key and gain unauthorized access to protected information.

The vulnerability of the N8n automation platform lies in the deficiencies of the authentication process when processing the dynamic-node-parameters endpoint. Exploiting this vulnerability allows an attacker to re-use the external API key and gain unauthorized access to protected information...

CVE-2026-42226

n8n is an open source workflow automation platform. Prior to versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supp...

CVE-2026-42226

The CVE concerns n8n, an open source workflow automation platform. Before versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workfl...

CVE-2026-42226 n8n: Credential Authorization Bypass in dynamic-node-parameters Allows Foreign API Key Replay

n8n is an open source workflow automation platform. Prior to versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supp...

CVE-2026-42226 n8n: Credential Authorization Bypass in dynamic-node-parameters Allows Foreign API Key Replay

n8n is an open source workflow automation platform. Prior to versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supp...

CVE-2026-42226 n8n: Credential Authorization Bypass in dynamic-node-parameters Allows Foreign API Key Replay

n8n is an open source workflow automation platform. Prior to versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supp...

CVE-2026-42226: Missing Authorization

n8n is an open source workflow automation platform. Prior to versions 1.123.33 and 2.17.5, the dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supp...

n8n 安全漏洞

n8n is an open-source, scalable workflow automation tool developed by n8n. Versions of n8n prior to 1.123.33, 2.17.5, and 2.18.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of verification by dynamic node parameters endpoints regarding whether the authenticated...

Missing Authorization

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Missing Authorization via the dynamic-node-parameters endpoints. An attacker can access and exfiltrate sensitive credentials belonging to other users by supplying a foreign credential ID in the...

n8n's Credential Authorization Bypass in dynamic-node-parameters Allows Foreign API Key Replay

Impact The dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supply a foreign credential ID in the request body, causing the backend to decrypt and u...

GHSA-R4V6-9FQC-W5JR n8n's Credential Authorization Bypass in dynamic-node-parameters Allows Foreign API Key Replay

Impact The dynamic-node-parameters endpoints did not verify whether the authenticated caller was authorized to use a supplied credential reference. An authenticated user with access to a shared workflow could supply a foreign credential ID in the request body, causing the backend to decrypt and u...