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n8n

156 known vulnerabilities.

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  • Medium 6.3

    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 i…

  • Medium 5.4

    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 wi…

  • Medium 6.0

    n8n: Git Node Clone and Push Operations Bypass File Sandbox

    n8n is an open source workflow automation platform. Prior to 1.123.48, 2.21.8, and 2.22.4, an authenticated user with permission to create or modify workflows could supply a local filesystem path as the source repository in the Git node's Clone operation, or …

  • Medium 6.3

    n8n: Prototype Pollution enables confused-deputy execution via public webhooks

    n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, a prototype pollution vulnerability allowed a crafted public webhook payload to inject attacker-controlled fields into workflow data during internal object copying. These fields c…

  • Medium 6.3

    n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node

    n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, the MicrosoftAgent365Trigger and StripeTrigger node did not validate that inbound requests. As a result, an unauthenticated attacker who knows the webhook URL could submit a forge…

  • Medium 6.0

    n8n: Merge Node SQL Mode Prototype Pollution

    n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could pollute the sandbox used by the Merge node's SQL Query mode. Because the sandbox context was cached and r…

  • Medium 6.5

    n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes

    n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node's allowing arbitrary SQL to…

  • Medium 6.3

    n8n: Denial of Service via ZIP decompression in webhook workflow

    n8n is an open source workflow automation platform. Prior to 2.24.0, the Compression node's Decompress operation expanded attacker-controlled archives into memory without enforcing limits on decompressed output size. An unauthenticated attacker could send a s…

  • Medium 6.8

    n8n: Reflected XSS via Facebook, WhatsApp, and Microsoft Teams Trigger Webhook Verification Endpoints

    n8n is an open source workflow automation platform. Prior to 2.24.0, an endpoint in the Meta and Microsoft Teams trigger nodes reflects a query parameter into the HTTP response without sanitization or Content-Security-Policy headers, enabling reflected XSS in…

  • Medium 6.5

    n8n: NoSQL Injection in MongoDB Node Find And Replace Operation

    n8n is an open source workflow automation platform. Prior to 2.24.0, an authenticated user with workflow edit access could supply a malicious filter value in the MongoDB node's Find And Replace operation. The value was not validated before being passed to Mon…

  • Medium 4.0

    n8n - Webhook Forgery via Missing HMAC-SHA256 Signature Verification in GitHub Webhook Trigger

    n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with …

  • Medium 5.3

    n8n: SQL Injection in Snowflake and MySQL Nodes

    n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the fix for GHSA-f3f2-mcxc-pwjx did not cover the Snowflake node or the legacy MySQL v1 node. Both nodes construct SQL queries by directly interpolating user-c…

  • Medium 5.3

    n8n: SQL Injection in Oracle Database Node via Limit Field

    n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, a flaw in the Oracle Database node's select operation allowed user-controlled input passed into the Limit field via expressions to be interpolated directly int…

  • Medium 5.1

    n8n: Open Redirect in MCP OAuth Consent Flow

    n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /mcp-oauth/register endpoint accepted OAuth client registrations without authentication, allowing arbitrary redirect_uri values to be registered. When a us…

  • Medium 5.3

    n8n: SQL Injection in SeaTable Node

    n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, a flaw in the SeaTable node's row:search and row:get operations allowed user-controlled input to be concatenated directly into SQL query strings without escapi…

  • Medium 6.3
    CVE-2026-42228 Public exploit

    n8n: Hijacking of Unauthenticated Chat Execution

    n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, the /chat WebSocket endpoint used by the Chat Trigger node's Hosted Chat feature did not verify that an incoming connection was authorized to interact with the…

  • Medium 6.0

    n8n: Public API Variables IDOR Allows Cross-Project Secret Disclosure

    n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with a valid API key scoped to variable:list could read variables from projects they are not a member of by supplying an arbitrary projec…

  • Medium 6.3

    n8n Vulnerable to LDAP Filter Injection in LDAP Node

    n8n is an open source workflow automation platform. Prior to versions 1.123.27, 2.13.3, and 2.14.1, a flaw in the LDAP node's filter escape logic allowed LDAP metacharacters to pass through unescaped when user-controlled input was interpolated into LDAP searc…

  • Medium 6.3

    n8n Vulnerable to XSS via Binary Data Inline HTML Rendering

    n8n is an open source workflow automation platform. Prior to versions 1.123.27, 2.13.3, and 2.14.1, an authenticated user with permission to create or modify workflows could craft a workflow that produces an HTML binary data object without a filename. The `/r…

  • Medium 6.3

    n8n's Source Control SSH Configuration Uses StrictHostKeyChecking=no

    n8n is an open source workflow automation platform. Prior to version 2.5.0, when the Source Control feature is configured to use SSH, the SSH command used for git operations explicitly disabled host key verification. A network attacker positioned between the …

  • Medium 6.3

    n8n Has Authorization Bypass in OAuth Callback via N8N_SKIP_AUTH_ON_OAUTH_CALLBACK

    n8n is an open source workflow automation platform. Prior to version 2.8.0, when the `N8N_SKIP_AUTH_ON_OAUTH_CALLBACK` environment variable is set to `true`, the OAuth callback handler skips ownership verification of the OAuth state parameter. This allows an …

  • Medium 5.3

    Domain allowlist bypass enables credential exfiltration

    n8n is an open source workflow automation platform. Prior to 1.121.0, there is a vulnerability in the HTTP Request node's credential domain validation allowed an authenticated attacker to send requests with credentials to unintended domains, potentially leadi…

  • Medium 5.3

    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 a…

  • Medium 6.5

    n8n's Missing Stripe-Signature Verification Allows Unauthenticated Forged Webhooks

    n8n is an open source workflow automation platform. In versions from 0.150.0 to before 2.2.2, an authentication bypass vulnerability in the Stripe Trigger node allows unauthenticated parties to trigger workflows by sending forged Stripe webhook events. The St…

  • Medium 5.4

    n8n stored cross-site scripting in LangChain Chat Trigger node initialMessages parameter

    n8n is an open source workflow automation platform. From 1.24.0 to before 1.107.0, there is a stored cross-site scripting (XSS) vulnerability in @n8n/n8n-nodes-langchain.chatTrigger. An authorized user can configure the LangChain Chat Trigger node with malici…

  • Medium 6.5

    n8n has a symlink traversal vulnerability in "Read/Write File" node allows access to restricted files

    n8n is a workflow automation platform. Before 1.106.0, a symlink traversal vulnerability was discovered in the Read/Write File node in n8n. While the node attempts to restrict access to sensitive directories and files, it does not properly account for symboli…

  • Medium 4.9

    n8n Improper Authorization in Workflow Execution Stop Endpoint Allows Terminating Other Users’ Workflows

    n8n is a workflow automation platform. Prior to version 1.99.1, an authorization vulnerability was discovered in the /rest/executions/:id/stop endpoint of n8n. An authenticated user can stop workflow executions that they do not own or that have not been share…

  • Medium 4.9

    n8n Vulnerable to Denial of Service via Malformed Binary Data Requests

    n8n is a workflow automation platform. Prior to version 1.99.0, there is a denial of Service vulnerability in /rest/binary-data endpoint when processing empty filesystem URIs (filesystem:// or filesystem-v2://). This allows authenticated attackers to cause se…

  • Medium 4.6

    n8n Login Flow has Open Redirect Vulnerability

    n8n is a workflow automation platform. Versions prior to 1.98.0 have an Open Redirect vulnerability in the login flow. Authenticated users can be redirected to untrusted, attacker-controlled domains after logging in, by crafting malicious URLs with a misleadi…

  • Medium 5.0

    n8n Vulnerable to Stored XSS through Attachments View Endpoint

    n8n is a workflow automation platform. Prior to version 1.90.0, n8n is vulnerable to stored cross-site scripting (XSS) through the attachments view endpoint. n8n workflows can store and serve binary files, which are accessible to authenticated users. However,…

  • Medium 6.5

    n8n Directory Traversal vulnerability

    The n8n package 0.218.0 for Node.js allows Directory Traversal.