CVE-2026-86996

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted...

NPM: n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

NPM: n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy vulnerability discovered by ? in WordPress Npm n8n versions 2.37.7...

n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

Impact A workflow's "This workflow can be called by" setting was enforced by the Execute Workflow node but was not consulted when the same workflow was attached to an Agent as a tool. A user who could build an Agent could therefore call a workflow that its owner had restricted, and read back what...

CVE-2026-86996

n8n (open-source workflow automation platform) is affected by a policy bypass in its Agent workflow tool . Prior to 2.37.7 and 2.38.2 , the "This workflow can be called by" setting was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. The root cause...

EUVD-2026-74267

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted...

CVE-2026-86996 n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted...

CVE-2026-86996 n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted...

CVE-2026-86996 n8n: Agent Workflow Tool Bypasses Sub-Workflow Caller Policy

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted...

PT-2026-88505

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.37.7 n8n versions prior to 2.38.2 Description An authorization bypass exists when a workflow is attached to an Agent as a tool. While the setting This workflow can be called by is enforced by the Execute Workflow node, ...

CVE-2026-86996: Missing Authorization

n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the workflow setting named This workflow can be called by was enforced by the Execute Workflow node but not when a workflow was attached to an Agent as a tool. A user able to build an Agent could invoke a restricted...

CVE-2026-85166 n8n before 2.36.2 Credential Exfiltration via Workflow Tool Node

n8n before 2.35.4 and 2.36.x before 2.36.2 does not validate credential references in the inline workflow JSON of nodes that execute an inline sub-workflow e.g., the Workflow Tool node. A shared-workflow editor, or any user creating/updating a workflow via the REST API, Public API, or MCP, can...

CVE-2026-85166

n8n before 2.35.4 and 2.36.x before 2.36.2 fails to validate credential references in the inline workflow JSON of nodes that execute an inline sub-workflow (e.g., the Workflow Tool node ). A shared-workflow editor or any user creating/updating a workflow via the REST API, Public API, or MCP can p...

CVE-2026-85166 n8n before 2.36.2 Credential Exfiltration via Workflow Tool Node

n8n before 2.35.4 and 2.36.x before 2.36.2 does not validate credential references in the inline workflow JSON of nodes that execute an inline sub-workflow e.g., the Workflow Tool node. A shared-workflow editor, or any user creating/updating a workflow via the REST API, Public API, or MCP, can...

CVE-2026-85166 n8n before 2.36.2 Credential Exfiltration via Workflow Tool Node

n8n before 2.35.4 and 2.36.x before 2.36.2 does not validate credential references in the inline workflow JSON of nodes that execute an inline sub-workflow e.g., the Workflow Tool node. A shared-workflow editor, or any user creating/updating a workflow via the REST API, Public API, or MCP, can...

EUVD-2026-70401

n8n before 2.35.4 and 2.36.x before 2.36.2 does not validate credential references in the inline workflow JSON of nodes that execute an inline sub-workflow e.g., the Workflow Tool node. A shared-workflow editor, or any user creating/updating a workflow via the REST API, Public API, or MCP, can...

CVE-2026-85166: Incorrect Authorization

n8n before 2.35.4 and 2.36.x before 2.36.2 does not validate credential references in the inline workflow JSON of nodes that execute an inline sub-workflow e.g., the Workflow Tool node. A shared-workflow editor, or any user creating/updating a workflow via the REST API, Public API, or MCP, can...

The vulnerability of the `get_flow_by_id_or_endpoint_name` function in the Langflow agent and workflow creation/execution tool allows a attacker to circumvent existing security restrictions.

The vulnerability of the getflowbyidorendpointname function in the Langflow agent and workflow creation/execution tools relates to bypassing authentication using a user-controlled key. Exploiting this vulnerability could allow an attacker to circumvent existing security restrictions using an...

NPM: n8n: Custom Header Credential Values Leaked in Plaintext into LLM Node Execution Data

NPM: n8n: Custom Header Credential Values Leaked in Plaintext into LLM Node Execution Data vulnerability discovered by ? in WordPress Npm n8n versions 1.123.64...

n8n: "Allowed HTTP Request Domains" Restriction Bypass via AI Agents MCP Connector

Impact The AI Agents feature did not enforce the "Allowed HTTP Request Domains" restriction configured on credentials. As a result, a member-level user who had been granted use-only access to a shared credential could cause its secret to be sent to an external server they control, by pointing an...

Cross-site Scripting (XSS)

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Cross-site Scripting XSS in the HTML preview, which renders execution output into an iframe srcdoc without the sandbox attribute. An attacker can execute arbitrary scripts in the context of the...