GHSA-9W78-79Q7-R4FP n8n: Authenticated SSRF via Dynamic Node Parameters Endpoints Allows Internal Network Access

Impact Endpoints in /rest/dynamic-node-parameters/ lacked authorization scopes, making it reachable by any authenticated user with no workflow creation or execution required. By supplying an absolute URL in the routing configuration, a caller could override the node type's declared baseURL,...

GHSA-38FJ-36M5-783C Duplicate Advisory: Authenticated SSRF via Dynamic Node Parameters Endpoints Allows Internal Network Access

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9w78-79q7-r4fp. This link is maintained to preserve external references. Original Description n8n versions before 1.123.64 contain a server-side request forgery vulnerability in the dynamic-node-parameters...

CVE-2026-65593

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n...

CVE-2026-65593 n8n before 1.123.64, 2.29.8, and 2.30.1 SSRF via Dynamic Node Parameters

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n...

CVE-2026-65593 n8n before 1.123.64, 2.29.8, and 2.30.1 SSRF via Dynamic Node Parameters

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n...

EUVD-2026-47637

n8n versions before 1.123.64 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n server issue HTTP...

CVE-2026-65593

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n...

CVE-2026-65593 n8n before 1.123.64, 2.29.8, and 2.30.1 SSRF via Dynamic Node Parameters

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n...

CVE-2026-65593

CVE-2026-65593 affects n8n versions before 1.123.64. A SSRF vulnerability exists in the dynamic-node-parameters endpoints that lack authorization scopes, allowing authenticated attackers to supply absolute URLs in routing configuration to bypass baseURL restrictions and cause the n8n server to is...

PT-2026-63351

n8n versions before 1.123.64 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override baseURL restrictions and make the n8n server issue HTTP...

CVE-2026-56348 n8n - Credential Exfiltration via Allowed HTTP Request Domains Bypass in Dynamic Node Parameters Endpoint

n8n before 2.20.0 contains a credential exfiltration vulnerability in the POST /rest/dynamic-node-parameters/options endpoint that allows authenticated users to bypass Allowed HTTP Request Domains restrictions. Attackers with credential access can cause the n8n server to issue HTTP requests with...

CVE-2026-56348 n8n - Credential Exfiltration via Allowed HTTP Request Domains Bypass in Dynamic Node Parameters Endpoint

n8n before 2.20.0 contains a credential exfiltration vulnerability in the POST /rest/dynamic-node-parameters/options endpoint that allows authenticated users to bypass Allowed HTTP Request Domains restrictions. Attackers with credential access can cause the n8n server to issue HTTP requests with...

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...

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...

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...

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...