CVE-2026-56359

n8n prior to 2.8.0 contains a cross-site scripting vulnerability in the credential management flow. Authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields, enabling crafted credentials to cause the victim, who clicks the OAuth authorization button...

CVE-2026-56359 n8n - Cross-Site Scripting in Credential Management OAuth2 Authorization URL

n8n before 2.8.0 contains a cross-site scripting vulnerability in the credential management flow where authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields. Attackers can craft malicious credentials and trick victims into clicking the OAuth...

CVE-2025-71380

The Execute Command node in n8n allows authenticated users to execute arbitrary commands on the host system where n8n runs. Attackers with user access or compromised credentials can exploit this node to run malicious commands, potentially leading to data exfiltration, service disruption, or...

CVE-2025-71380 n8n - Arbitrary Command Execution via Execute Command Node

The Execute Command node in n8n allows authenticated users to execute arbitrary commands on the host system where n8n runs. Attackers with user access or compromised credentials can exploit this node to run malicious commands, potentially leading to data exfiltration, service disruption, or...

CVE-2025-71380

The Execute Command node in n8n allows authenticated users to execute arbitrary commands on the host system where n8n runs. Attackers with user access or compromised credentials can exploit this node to run malicious commands, potentially leading to data exfiltration, service disruption, or...

EUVD-2026-40443

n8n before 2.8.0 contains an authentication bypass vulnerability allowing authenticated SSO users to disable SSO enforcement through the API. Attackers can create local password credentials to authenticate directly, bypassing organizational SSO policies and identity-provider-enforced multi-factor...

CVE-2026-56777

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56350

n8n before 2.8.0 contains an authentication bypass vulnerability allowing authenticated SSO users to disable SSO enforcement through the API. Attackers can create local password credentials to authenticate directly, bypassing organizational SSO policies and identity-provider-enforced multi-factor...

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...

CVE-2026-56777

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56777 n8n - AST Validator Bypass in Python Code Node

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

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...

CVE-2026-56356

Summary: CVE-2026-56356 affects n8n’s Chat Trigger node Custom CSS field, where a misconfiguration of the sanitize-html library allows stored XSS. Affected versions: before 1.123.27; 2.0.0–2.13.2; 2.14.0. Impact: an authenticated user with workflow creation/modification rights can inject JavaScri...

CVE-2026-56350

CVE-2026-56350 affects n8n prior to 2.8.0. The vulnerability is an authentication bypass that allows authenticated SSO users to disable SSO enforcement via the API, enabling creation of local password credentials to authenticate directly and bypass organizational SSO policies and identity-provide...

CVE-2026-56350 n8n - SSO Enforcement Bypass via API

n8n before 2.8.0 contains an authentication bypass vulnerability allowing authenticated SSO users to disable SSO enforcement through the API. Attackers can create local password credentials to authenticate directly, bypassing organizational SSO policies and identity-provider-enforced multi-factor...

PT-2026-54040

Name of the Vulnerable Software and Affected Versions n8n versions prior to 1.123.27 n8n versions 2.0.0 through 2.13.2 n8n version 2.14.0 Description A stored cross-site scripting issue exists in the Chat Trigger node's Custom CSS field caused by a misconfiguration of the sanitize-html library. A...

PT-2026-54039

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.8.0 Description An authentication bypass exists that allows authenticated Single Sign-On SSO users to disable SSO enforcement via the API. This allows attackers to create local password credentials to authenticate...

Prototype Pollution

Overview n8n-workflow is a Workflow base code of n8n Affected versions of this package are vulnerable to Prototype Pollution via the deepCopy and replaceCircularReferences utilities in utils.ts. An attacker can inject crafted proto, constructor, or prototype fields in a public webhook payload tha...

@0xlimao/n8n-nodes-ethereum (>=1.0.0, <=1.0.1), @a700/n8n-nodes-agent700 (>=1.0.5, <=1.0.7) +2126 more potentially affected by CVE-2026-54306 via n8n-workflow (>=2.0.0, <=2.25.1)

n8n-workflow NPM version =2.0.0, =1.0.0, =1.0.5, =0.0.1, =1.0.0, =0.0.1, =0.0.1, =1.0.0, =0.2.2, =0.3.6, =0.1.0, =1.0.0, =1.3.1 and more Source cves: CVE-2026-54306 Source advisory: SNYK:JS-N8NWORKFLOW-17753544...

@n8n/ai-workflow-builder (1.26.0), @n8n/api-types (1.26.0) +12 more potentially affected by CVE-2026-54306 via n8n-workflow (2.26.0)

n8n-workflow NPM version 2.26.0 is affected by a known vulnerability. The following packages have a transitive dependency on n8n-workflow and may be impacted: - @n8n/ai-workflow-builder 1.26.0 - @n8n/api-types 1.26.0 - @n8n/backend-common 1.26.0 - @n8n/backend-network 1.0.0 -...