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,...

EUVD-2026-44624

n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromise workflow integrity...

CVE-2026-56349 n8n - Guardrail Node Bypass via Crafted Input

n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromise workflow integrity...

CVE-2026-56349

n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromise workflow integrity...

CVE-2026-56349 n8n - Guardrail Node Bypass via Crafted Input

n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromise workflow integrity...

NPM: n8n-MCP: Incorrect authorization can expose default-scope workflow version backups in multi-tenant HTTP mode

NPM: n8n-MCP: Incorrect authorization can expose default-scope workflow version backups in multi-tenant HTTP mode vulnerability discovered by ? in WordPress Npm n8n-mcp versions = 2.57.3...

Missing Authorization

Overview n8n-mcp is an Integration between n8n workflow automation and Model Context Protocol MCP Affected versions of this package are vulnerable to Missing Authorization in the workflow version history process in multi-tenant HTTP deployments due to improper isolation of stored backups between...

NPM: n8n-MCP: Cross-tenant access to workflow version backups in multi-tenant HTTP deployments

NPM: n8n-MCP: Cross-tenant access to workflow version backups in multi-tenant HTTP deployments vulnerability discovered by ? in WordPress Npm n8n-mcp versions = 2.56.0...

MAL-2026-10536 Malicious code in n8n-nodes-social-facebook (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 9ff182b11223b46877e54226944a8ba245ad486dd9dfd1027810a42f9c9e06a1 This n8n community node advertises Facebook automation and instructs the operator to paste a full Facebook session JSON captured via a Chrome extensi...

Malicious code in n8n-nodes-rce-poc (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c735b8bb20a784446d7a0a4c49369ca3f2696bfe2e8a004799c763fc0a064aca On require by n8n module-load, top-level code in dist/RceNode.node.js, the package runs a shell command via execSync'/bin/sh',.... The command is tak...

MAL-2026-10503 Malicious code in n8n-nodes-rce-poc (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c735b8bb20a784446d7a0a4c49369ca3f2696bfe2e8a004799c763fc0a064aca On require by n8n module-load, top-level code in dist/RceNode.node.js, the package runs a shell command via execSync'/bin/sh',.... The command is tak...

CVE-2026-15521

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

CVE-2026-15521 makafeli n8n-workflow-builder update_node_from_file server.cjs path traversal

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

CVE-2026-15521 makafeli n8n-workflow-builder update_node_from_file server.cjs path traversal

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

CVE-2026-15521 makafeli n8n-workflow-builder update_node_from_file server.cjs path traversal

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

CVE-2026-15521

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

EUVD-2026-43261

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component updatenodefromfile. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit is...

PT-2026-57608

A vulnerability was identified in makafeli n8n-workflow-builder up to 0.11.0. Affected is an unknown function of the file build/server.cjs of the component update node from file. The manipulation of the argument filePath leads to path traversal. An attack has to be approached locally. The exploit...

GHSA-2VWW-6P9H-5G8J Duplicate Advisory: Authenticated Users Can Exhaust Temporary Disk Storage via Data-Table File Uploads

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-w867-jm58-p9pv. This link is maintained to preserve external references. Original Description n8n before 2.28.0 and before 1.123.58 on the 1.x branch contains a disk space exhaustion vulnerability in the...

CVE-2026-58661

n8n before 2.28.0 and before 1.123.58 on the 1.x branch contains a disk space exhaustion vulnerability in the data-table file upload endpoint. The per-request quota check does not account for files already written to the shared temporary directory, allowing an authenticated user to repeatedly...