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n8n@2.20.9

n8n Workflow Automation Tool

  • latest version

    2.28.6

  • first published

    7 years ago

  • latest version published

    1 days ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the n8n package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • H
    Cross-site Scripting (XSS)

    n8n is a n8n Workflow Automation Tool

    Affected versions of this package are vulnerable to Cross-site Scripting (XSS) through the Respond to Webhook binary response path in the webhook response handling code. An authenticated workflow editor can configure a public webhook to return attacker-controlled binary content and Content-Type, causing the response to execute JavaScript in the n8n origin when an authenticated user visits the webhook URL and exposing that user’s session.

    Workarounds

    • Limit workflow creation and editing permissions to fully trusted users only, so untrusted users cannot configure a Respond to Webhook node to serve attacker-controlled binary content and Content-Type.
    • Disable the Respond to Webhook node by adding n8n-nodes-base.respondToWebhook to the NODES_EXCLUDE environment variable, which prevents use of the vulnerable binary response path.

    How to fix Cross-site Scripting (XSS)?

    Upgrade n8n to version 1.123.55, 2.25.7, 2.26.2 or higher.

    <1.123.55>=2.0.0-rc.0 <2.25.7>=2.26.0 <2.26.2
    • H
    Incorrect Authorization

    n8n is a n8n Workflow Automation Tool

    Affected versions of this package are vulnerable to Incorrect Authorization in the shared workflows. An attacker can gain unauthorized access to credentials belonging to other users by exploiting insufficient ownership checks via specific public API endpoints.

    How to fix Incorrect Authorization?

    Upgrade n8n to version 1.123.55, 2.25.7, 2.26.2 or higher.

    <1.123.55>=2.0.0-rc.0 <2.25.7>=2.26.0 <2.26.2
    • H
    Allocation of Resources Without Limits or Throttling

    n8n is a n8n Workflow Automation Tool

    Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the MCP OAuth client registration process. An attacker can exhaust server memory resources and render the instance unavailable by sending large unauthenticated registration payloads to the endpoint, which accepts requests regardless of MCP access settings.

    How to fix Allocation of Resources Without Limits or Throttling?

    A fix was pushed into the master branch but not yet published.

    *
    • H
    Command Injection

    n8n is a n8n Workflow Automation Tool

    Affected versions of this package are vulnerable to Command Injection via the Execute Command node. An attacker can execute arbitrary commands on the host system by leveraging access to an authenticated user account, potentially leading to data exfiltration, service disruption, or full system compromise.

    Note:

    This is only exploitable if the Execute Command node is enabled and not all user accounts are strictly controlled and trusted.

    This issue does not impact n8n.cloud.

    As per maintainers' memo: "No code changes have been made to alter the behavior of the Execute Command node. The recommended mitigation is to disable the node by default in environments where it is not explicitly required. Future n8n versions may change the default availability of this node."

    ##Workaround

    This vulnerability can be mitigated by disabling the Execute Command node before n8n start using the environment variable: export NODES_EXCLUDE: "[\"n8n-nodes-base.executeCommand\"]".

    How to fix Command Injection?

    There is no fixed version for n8n.

    >=0.0.1
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