Vendor
n8n-io
217 known vulnerabilities.
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Medium 5.3
n8n before 2.34.1 Cross-Project Credential Access via MCP
n8n versions before 2.34.1 contain a credential validation bypass in the MCP create_workflow_from_code tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unautho…
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Medium 6.0
n8n before 1.123.69 SSRF via Edit Image Node
n8n versions before 1.123.69 contain a server-side request forgery vulnerability in the Edit Image node's Draw Text operation that allows authenticated users to inject MVG primitives. Attackers can craft malicious text values to issue blind outbound HTTP requ…
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Medium 5.8
n8n before 1.123.67 SQL Injection via PostgresTrigger Node
n8n before 1.123.67, 2.31.5, and 2.32.1 contains a SQL injection vulnerability in the PostgresTrigger node, which interpolates user-supplied identifier parameters (channel, function, and trigger names) into SQL statements without proper escaping. An authentic…
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Medium 4.9
n8n before 2.32.1 Path Traversal via computer-use search_files
n8n before 2.31.5 and 2.32.x before 2.32.1 contain a path-confinement bypass in the @n8n/computer-use file-search (search_files) tool. A crafted search pattern can bypass the base-directory confinement check and expand to locations outside the configured dire…
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Medium 6.1
n8n before 1.123.67 Prototype Pollution via VM Expression Engine
n8n before 1.123.67, 2.31.5, and 2.32.1 contains a prototype pollution vulnerability in the VM expression engine. An authenticated user able to create or edit a workflow expression can abuse the engine's array-element access to obtain a reference to a host bu…
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Medium 6.4
n8n before 2.32.1 SSRF Protection Bypass via MCP Client
n8n versions before 2.32.1 contain a server-side request forgery protection bypass vulnerability in the MCP Client node that allows authenticated users to bypass SSRF protections. Attackers can craft workflows that send requests to internal or blocked hosts w…
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Medium 5.8
n8n before 1.123.67 Module Cache Poisoning via Code Node
n8n's JavaScript task runner shared a single module cache across all users' Code-node executions. In affected versions (before 1.123.67, 2.31.5, and 2.32.1), a user able to run a Code node could poison a cached module and thereby alter other users' Code-node …
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Medium 5.3
n8n before 1.123.67 SQL Injection via executeQuery Operation
n8n before 1.123.67, 2.31.5, and 2.32.1 contains a SQL injection vulnerability in the Snowflake node's Execute Query operation, which interpolates expression values directly into the SQL string. When a workflow author embeds untrusted, externally-controlled e…
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Medium 5.1
n8n before 1.123.64, 2.29.8, and 2.30.1 Credential Exposure via JWT Header
n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field (intended only for a key identifier).…
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Medium 5.1
n8n before 1.123.64 Credential Exfiltration via GraphQL Node
n8n before 1.123.64, 2.29.8, and 2.30.1 fails to enforce the "Allowed HTTP Request Domains" restriction on HTTP-based credentials (Header Auth, Basic Auth, Query Auth, OAuth) in the GraphQL node, unlike the HTTP Request node. An authenticated user able to cre…
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Medium 6.3
n8n before 1.123.64, 2.29.8, and 2.30.1 SSRF via Dynamic Node Parameters
n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a server-side request forgery vulnerability in the dynamic-node-parameters endpoints that lack authorization scopes. Authenticated attackers can supply absolute URLs in routing configuration to override…
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Medium 5.1
n8n before 2.30.1 Missing OAuth Authorization Check
n8n before 2.29.8 and 2.30.x before 2.30.1 (affected from 2.27.0, when the OAuth 2.1 consent and token-issuance flow was introduced) does not verify that the authenticated user has access to the workflow referenced as the OAuth resource. On instances with at …
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Medium 5.5
n8n before 2.30.1 Shell Sandbox Bypass on Linux Windows
n8n before 2.29.8 and 2.30.x before 2.30.1 does not enforce shell sandbox restrictions on Linux and Windows in the @n8n/computer-use package (sandboxing was applied only on macOS). Shell commands executed by the tool run without any filesystem or network rest…
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Medium 5.1
n8n before 1.123.64 Credential Exposure via LLM Node Execution Data
n8n versions before 1.123.64 fail to properly mask custom HTTP header credentials in LLM sub-node execution data, writing plaintext API keys and secrets to workflow execution records. Authenticated users with access to execution data can read exposed header v…
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Medium 6.3
n8n before 2.28.0 Authentication Bypass via test-webhook
n8n before 2.28.0 (and before 2.27.4 on the 2.27.x branch) registers the DELETE /${restEndpoint}/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow…
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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 …
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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Medium 6.3CVE-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…
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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…
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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…
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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…
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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 …
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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 …
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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…
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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…
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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…
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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…
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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…
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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…
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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…