EUVD-2026-42887

n8n before 1.123.24, 2.10.4, and 2.12.0 across its 1.x and 2.x branches contains cross-site scripting and open redirect vulnerabilities in the Form Node due to unsanitized HTML description fields and overly permissive iframe sandbox policies. Authenticated users with workflow creation permissions...

CVE-2026-59206

n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing unauthenticated reques...

EUVD-2026-42268

n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical...

CVE-2026-59253 n8n - Improper Authorization in Workflow Assignment to Folders

n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical...

EUVD-2026-38754

n8n before 1.123.25 1.x and before 2.11.2 2.x, with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node's CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can injec...

CVE-2026-56358

n8n before 1.123.25 1.x and before 2.11.2 2.x, with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node's CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can injec...

CVE-2026-56351

n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

n8n Node.js Package < 1.123.32 / 2.x < 2.17.4 / 2.18.x < 2.18.1 XML Node Prototype Pollution RCE (GHSA-hqr4-h3xv-9m3r)

The version of the n8n Node.js Package installed on the remote host is prior to 1.123.32, 2.x prior to 2.17.4, or 2.18.x prior to 2.18.1. It is, therefore, affected by a remote code execution vulnerability: - An authorized user with workflow creation or modification capabilities can exploit...

CVE-2026-33458

Server-Side Request Forgery CWE-918 in Kibana One Workflow can lead to information disclosure. An authenticated user with workflow creation and execution privileges can bypass host allowlist restrictions in the Workflows Execution Engine, potentially exposing sensitive internal endpoints and data...

CVE-2026-27578

n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated user with permission to create or modify workflows could inject arbitrary scripts into pages rendered by the n8n application using different techniques on various nodes Form Trigger...

Cross-site Scripting (XSS)

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Cross-site Scripting XSS via the workflow creation and editing process in various nodes, including Form Trigger, Chat Trigger, Send & Wait, Webhook, and Chat nodes. An attacker can execute arbitrary...

Cross-site Scripting (XSS)

Overview @n8n/n8n-nodes-langchain is a Affected versions of this package are vulnerable to Cross-site Scripting XSS via the workflow creation and editing process in various nodes, including Form Trigger, Chat Trigger, Send & Wait, Webhook, and Chat nodes. An attacker can execute arbitrary scripts...

📄 Skyvern 0.1.84 Template Injection / Code Execution

Skyvern version 0.1.84 remote code execution proof of concept exploit that leverages a vulnerability in workflow creation functionality where user-supplied input in the prompt field is processed through Jinja2 templating engine without proper sanitization, allowing attackers to execute arbitrary...

PT-2026-6261

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.18 n8n versions prior to 2.5.0 Description n8n is a workflow automation platform. A flaw in the file access controls allows authenticated users with appropriate permissions to read sensitive files from the n8n host...

EUVD-2025-205854

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

Temporal has a namespace policy bypass allowing requests to be authorized for incorrect contexts

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

CVE-2025-14986 ExecuteMultiOperation Namespace Policy Bypass

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

PT-2025-54224

Name of the Vulnerable Software and Affected Versions Temporal versions 1.24.0 through 1.29.1 Description When the frontend.enableExecuteMultiOperation setting is enabled, the server incorrectly applies namespace-scoped validation and feature gates. Specifically, it uses the Namespace field from ...

CVE-2023-38647

An attacker can use SnakeYAML to deserialize java.net.URLClassLoader and make it load a JAR from a specified URL, and then deserialize javax.script.ScriptEngineManager to load code using that ClassLoader. This unbounded deserialization can likely lead to remote code execution. The code can be run...

Deserialization of untrusted data

An attacker can use SnakeYAML to deserialize java.net.URLClassLoader and make it load a JAR from a specified URL, and then deserialize javax.script.ScriptEngineManager to load code using that ClassLoader. This unbounded deserialization can likely lead to remote code execution. The code can be run...