Vulnerabilities handled in the n8n workflow automation platform

n8n has identified several vulnerabilities in the n8n workflow automation platform, particularly in versions 1.123.55, 2.24.0, 2.25.7, 2.26.1, and 2.26.2. These vulnerabilities affect various components of the n8n platform. Authorized users with workflow processing rights can exploit...

CVE-2026-54301 n8n: Same-Origin XSS in Respond to Webhook Node

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, an authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type. The binary response path bypassed the central...

CVE-2026-54301

Summary: CVE-2026-54301 affects n8n prior to certain fixes. An authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type, bypassing the central Content-Security-Policy sandbox header. This allowed a publ...

CVE-2026-54301: Improper Neutralization of Input During Web Page Generation

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, an authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type. The binary response path bypassed the central...

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...

CVE-2026-27578 n8n Vulnerable to Stored XSS via Various Nodes

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...

CVE-2026-27578

Summary of CVE-2026-27578 (n8n): An authenticated user with permission to create or modify workflows could inject arbitrary scripts into pages rendered by n8n across multiple nodes (Form Trigger, Chat Trigger, Send & Wait, Webhook, Chat Node). This leads to client-side script execution in other u...

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...

CVE-2026-27578 n8n Vulnerable to Stored XSS via Various Nodes

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/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...

GHSA-2P9H-RQJW-GM92 n8n Vulnerable to Stored XSS via Various Nodes

Impact 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 node, Chat Trigger node, Send & Wait node, Webhook Node, and Chat Node. Scripts injected by...

CVE-2026-27578: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

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...

EUVD-2026-2029

n8n is an open source workflow automation platform. From 1.36.0 to before 2.2.0, the Webhook node’s IP whitelist validation performed partial string matching instead of exact IP comparison. As a result, an incoming request could be accepted if the source IP address merely contained the configured...

CVE-2025-68949 n8n has a Webhook Node IP Whitelist Bypass via Partial String Matching

n8n is an open source workflow automation platform. From 1.36.0 to before 2.2.0, the Webhook node’s IP whitelist validation performed partial string matching instead of exact IP comparison. As a result, an incoming request could be accepted if the source IP address merely contained the configured...

CVE-2025-68949 n8n has a Webhook Node IP Whitelist Bypass via Partial String Matching

n8n is an open source workflow automation platform. From 1.36.0 to before 2.2.0, the Webhook node’s IP whitelist validation performed partial string matching instead of exact IP comparison. As a result, an incoming request could be accepted if the source IP address merely contained the configured...

CVE-2025-68949: Use of Externally-Controlled Format String

n8n is an open source workflow automation platform. From 1.36.0 to before 2.2.0, the Webhook node’s IP whitelist validation performed partial string matching instead of exact IP comparison. As a result, an incoming request could be accepted if the source IP address merely contained the configured...

n8n 访问控制错误漏洞

n8n is a scalable workflow automation tool from n8n open source. An access control error vulnerability exists in n8n versions 1.36.0 through prior to 2.2.0, which stems from the IP whitelist validation of the Webhook node performing partial string matches instead of exact IP comparisons, which...

EUVD-2025-205456

n8n's Possible Stored XSS in "Respond to Webhook" Node May Execute Outside iframe Sandbox...

CVE-2025-61914: Improper Neutralization of Input During Web Page Generation

n8n is an open source workflow automation platform. Prior to version 1.114.0, a stored Cross-Site Scripting XSS vulnerability may occur in n8n when using the “Respond to Webhook” node. When this node responds with HTML content containing executable scripts, the payload may execute directly in the...