EUVD-2026-101730

n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n use...

CVE-2026-110847

n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n use...

CVE-2026-110847

The n8n workflow automation tool contains a Stored Cross-Site Scripting (XSS) vulnerability in the Chat Trigger hosted-chat page. This issue exists in versions before 1.123.83 , 2.x before 2.41.4 , and 2.42.x before 2.42.1 . The root cause is the interpolation of insufficiently sanitized customCs...

CVE-2026-110847 n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Chat Trigger customCss Parameter

n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n use...

CVE-2026-110847 n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Chat Trigger customCss Parameter

n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n use...

CVE-2026-110847: Improper Neutralization of Input During Web Page Generation

n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n use...

PT-2026-114161

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.83 n8n versions 2.x prior to 2.41.4 n8n versions 2.42.x prior to 2.42.1 Description A stored cross-site scripting issue exists in the Chat Trigger hosted-chat page. The problem occurs because customCss values are no...

Vulnerabilities handled in the n8n workflow automation platform

n8n has identified several vulnerabilities in its workflow automation platform, particularly in versions 2.10.1, 2.9.3, 1.123.22, and other related releases. These vulnerabilities affect various components of n8n, including Form nodes, Python Code nodes, JavaScript Task Runner sandboxes, Merge...

CVE-2026-56353

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

CVE-2026-56353

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

CVE-2026-56353 n8n - Authentication Bypass in Chat Trigger Node

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

CVE-2026-56353 n8n - Authentication Bypass in Chat Trigger Node

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

CVE-2026-56353

The CVE-2026-56353 issue affects n8n’s Chat Trigger node configured with n8n User Auth. Affected releases permit bypassing the authentication check on the Chat Trigger webhook endpoint, enabling access without valid credentials. Vulnerable versions include prior to 1.123.22, the 2.0.0–2.9.2 line,...

EUVD-2026-44626

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

CVE-2026-56353 n8n - Authentication Bypass in Chat Trigger Node

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

PT-2026-60117

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

CVE-2026-56353: Improper Authentication

n8n contains an authentication bypass in the Chat Trigger node when configured with n8n User Auth a non-default configuration. In affected releases — before 1.123.22, the 2.0.0 through 2.9.2 line, and 2.10.0 — the authentication check on the Chat Trigger webhook endpoint can be circumvented,...

EUVD-2026-40444

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...

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 ChatTrigger template rendering in ChatTrigger/templates.ts. An authenticated user who can create or edit workflows can inject malicious JavaScript by supplying crafted Custo...

CVE-2026-56356

n8n contains a stored cross-site scripting vulnerability in the Chat Trigger node's Custom CSS field due to a misconfiguration of the sanitize-html library. Affected releases are those before 1.123.27, the 2.0.0 through 2.13.2 line, and 2.14.0 fixed in 1.123.27, 2.13.3, and 2.14.1. An authenticat...