CVE-2026-21858

CVE-2026-21858 RCE Form Trigger 워크플로우와 익스플로잇 스크립트를 포함한 n8n 1.120.4용 PoC 환경입니다. 요구 사항 Docker Windows에서는 Docker Desktop Python 3.x 공격 측 파일 Dockerfile — 취약한 n8n 환경 빌드 run.bat — 컨테이너 실행 Windows workflow.txt — n8n 워크플로우 Form Trigger 포함 poc.py — PoC 스크립트 requirements.txt — PoC 의존성 환경 설정 1. Docker 이미지 빌...

CVE-2026-21858

CVE-2026-21858 RCE Среда PoC для n8n 1.120.4 с рабочим процессом Form Trigger и эксплойт-скриптом. Требования Docker Docker Desktop на Windows Python 3.x сторона атакующего Файлы Dockerfile — сборка уязвимой среды n8n run.bat — запуск контейнера Windows workflow.txt — рабочий процесс n8n включает...

Exploit for Improper Input Validation in N8N

CVE-2026-21858 RCE PoC environment for n8n 1.120.4 with a F...

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...

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

The CVE affects n8n before 1.123.25 (1.x) and before 2.11.2 (2.x); a stored XSS exists in the Form Trigger node due to a CSS sanitization flaw. Authenticated users with workflow creation permissions can inject XSS payloads that persist for all form visitors, enabling form hijacking and phishing. ...

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-2026-56358 n8n - Stored Cross-Site Scripting in Form Trigger Node

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 - Stored Cross-Site Scripting in Form Trigger Node

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 - Stored Cross-Site Scripting in Form Trigger Node

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: Improper Neutralization of Input During Web Page Generation

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...

n8n has a Stored XSS Vulnerability in its Form Trigger

Impact An authenticated user with permission to create or modify workflows could exploit a flaw in the Form Trigger node's CSS sanitization to store a cross-site scripting XSS payload. The injected script executes persistently for every visitor of the published form, enabling form submission...

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 Form Trigger node. An attacker can execute arbitrary scripts in the context of users visiting a published form by injecting malicious payloads, potentially leading t...

GHSA-Q4FM-PJQ6-M63G n8n has a Stored XSS Vulnerability in its Form Trigger

Impact An authenticated user with permission to create or modify workflows could exploit a flaw in the Form Trigger node's CSS sanitization to store a cross-site scripting XSS payload. The injected script executes persistently for every visitor of the published form, enabling form submission...

PT-2026-51782

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.25 n8n versions prior to 2.11.2 Description An authenticated user with permissions to create or modify workflows can exploit a flaw in the CSS sanitization of the Form Trigger node to store a cross-site scripting XS...

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

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 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...