n8n: GraphQL Node Bypasses "Allowed HTTP Request Domains" Restriction

Impact The GraphQL node did not enforce the "Allowed HTTP Request Domains" restriction on HTTP-based credentials such as Header Auth, Basic Auth, Query Auth, and OAuth, unlike the HTTP Request node. An authenticated user able to create or edit workflows could therefore point the node's endpoint a...

@0xlimao/n8n-nodes-ethereum (>=1.0.0, <=1.0.1), @aayshian/n8n-aisensy-ay19 (0.0.1) +112 more potentially affected by CVE-2026-65594 via @n8n/client-oauth2 (>=1.0.0, <=1.11.1)

@n8n/client-oauth2 NPM version =1.0.0, =1.0.0, =0.0.1, =1.0.0, =0.0.1, =0.0.1, =0.3.6, =0.1.0, =1.0.0, =0.1.4, =1.1.3, =1.1.6 and more Source cves: CVE-2026-65594 Source advisory: SNYK:JS-N8NCLIENTOAUTH2-18322332...

@n8n/backend-test-utils (1.30.0), @n8n/db (1.30.0) +3 more potentially affected by CVE-2026-65594 via @n8n/client-oauth2 (1.12.0)

@n8n/client-oauth2 NPM version 1.12.0 is affected by a known vulnerability. The following packages have a transitive dependency on @n8n/client-oauth2 and may be impacted: - @n8n/backend-test-utils 1.30.0 - @n8n/db 1.30.0 - @n8n/scheduler 0.2.0 - @n8n/task-runner 2.30.0 - n8n-core 2.30.0 Source...

GHSA-Q5XF-XHWF-CWQF n8n: Member-Level Users Can Execute Other Users' MCP Server Trigger Workflows via Missing OAuth Authorization Check

Impact The OAuth 2.1 consent and token-issuance flow introduced in n8n 2.27.0 does not verify that the authenticated user has access to the workflow referenced as the OAuth resource. A member-level user can register an OAuth client, self-approve consent for another user's n8n OAuth2-protected MCP...

NPM: n8n: computer-use Shell Sandbox Not Enforced on Linux and Windows

NPM: n8n: computer-use Shell Sandbox Not Enforced on Linux and Windows vulnerability discovered by ? in WordPress Npm n8n versions 2.29.8...

EUVD-2026-42893

n8n: Authenticated Users Can Exhaust Temporary Disk Storage via Data-Table File Uploads...

GHSA-2XGM-WC4G-5JVG n8n: Improper Authorization Allows Authenticated Users to Assign Workflows to Folders in Other Projects

Impact An authenticated user with permission to create workflows in one project could bypass project/folder authorization boundaries during workflow creation. By supplying a crafted request payload, the user could associate a newly created workflow with a folder belonging to a different project...

NPM: n8n: External Secrets Permission Bypass via Expression Parser Mismatch

NPM: n8n: External Secrets Permission Bypass via Expression Parser Mismatch vulnerability discovered by ? in WordPress Npm n8n versions 1.123.61...

GHSA-JP7M-XCGX-57QM n8n: External Secrets Permission Bypass via Expression Parser Mismatch

Impact Due to a mismatch between the static validation check and the runtime expression engine, an authenticated user with credential create or update permissions, but without the externalSecret:list scope, could embed external secret references into credentials in forms the validation did not...

Prototype Pollution

Overview n8n-core is a Core functionality of n8n Affected versions of this package are vulnerable to Prototype Pollution in the expression engine. An attacker can cause the application to become unresponsive or crash by manipulating array-element access to obtain a reference to a host built-in an...

@ai-growth/n8n-nodes-wordpress (>=0.2.0, <=0.6.12), @henry2323/n8n-nodes-calendar-tool-wrapper (0.1.4) +38 more potentially affected by unknown CVE via n8n-core (>=1.0.0, <=1.122.37)

n8n-core NPM version =1.0.0, =0.2.0, =1.0.1, =0.26.0, =0.34.0, =1.0.1, =0.21.8, =1.0.0, =1.0.0, =0.1.0, =1.0.1, =0.3.3, =0.1.3, =0.1.1, =1.2.0, =1.4.1 and more Source cves: unknown CVE Source advisory: SNYK:JS-N8NCORE-18322419...

@n8n/backend-test-utils (1.32.0), @n8n/db (1.32.0) +3 more potentially affected by unknown CVE via n8n-core (2.32.0)

n8n-core NPM version 2.32.0 is affected by a known vulnerability. The following packages have a transitive dependency on n8n-core and may be impacted: - @n8n/backend-test-utils 1.32.0 - @n8n/db 1.32.0 - @n8n/n8n-nodes-langchain 2.32.0 - @n8n/task-runner 2.32.0 - n8n 2.32.0 Source cves: unknown CV...

@0xlimao/n8n-nodes-ethereum (>=1.0.0, <=1.0.1), @aayshian/n8n-aisensy-ay19 (0.0.1) +112 more potentially affected by unknown CVE via n8n-core (>=2.0.0, <=2.31.2)

n8n-core NPM version =2.0.0, =1.0.0, =0.0.1, =1.0.0, =0.0.1, =0.0.1, =0.3.6, =0.1.0, =1.0.0, =0.1.4, =1.1.3, =1.1.6 and more Source cves: unknown CVE Source advisory: SNYK:JS-N8NCORE-18322419...

Prototype Pollution

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to Prototype Pollution via the Edit Fields Set process when output fields are assigned using dot-notation path setters without restricting field names. An attacker can corrupt a shared global in the ma...

@n8n/n8n-nodes-langchain (2.32.0), n8n (2.32.0) potentially affected by unknown CVE via n8n-nodes-base (2.32.0)

n8n-nodes-base NPM version 2.32.0 is affected by a known vulnerability. The following packages have a transitive dependency on n8n-nodes-base and may be impacted: - @n8n/n8n-nodes-langchain 2.32.0 - n8n 2.32.0 Source cves: unknown CVE Source advisory: SNYK:JS-N8NNODESBASE-18323908...

GHSA-XMC9-4F2H-JF9C n8n: Edit Image Node Format Injection Allows Arbitrary File Write

Impact The n8n Edit Image node passed its output format to the underlying image library without validation, so a crafted value could write bytes to a location outside the node's working directory. An authenticated user able to run workflows could use this to write arbitrary files in the n8n...

@n8n/n8n-nodes-langchain (2.32.0), n8n (2.32.0) potentially affected by unknown CVE via n8n-nodes-base (2.32.0)

n8n-nodes-base NPM version 2.32.0 is affected by a known vulnerability. The following packages have a transitive dependency on n8n-nodes-base and may be impacted: - @n8n/n8n-nodes-langchain 2.32.0 - n8n 2.32.0 Source cves: unknown CVE Source advisory: SNYK:JS-N8NNODESBASE-18323973...

n8n (2.32.0) potentially affected by unknown CVE via @n8n/n8n-nodes-langchain (2.32.0)

@n8n/n8n-nodes-langchain NPM version 2.32.0 is affected by a known vulnerability. The following packages have a transitive dependency on @n8n/n8n-nodes-langchain and may be impacted: - n8n 2.32.0 Source cves: unknown CVE Source advisory: SNYK:JS-N8NN8NNODESLANGCHAIN-18323530...

GHSA-6QC9-MQVW-JG7X n8n: Credential Authorization Bypass via Expression in HTTP Request Node `genericAuthType`

Impact An authenticated member with edit access to a shared workflow could reference another user's credential in an HTTP Request node while specifying the credential type through an expression. Because the pre-execution permission check compared the unresolved expression instead of the real...

Arbitrary Code Injection

Overview n8n-workflow is a Workflow base code of n8n Affected versions of this package are vulnerable to Arbitrary Code Injection via crafted expressions using arrow functions in the expression. An attacker can execute arbitrary system commands by bypassing the intended sandbox restrictions. Note...