196 matches found
n8n Sandbox Escape Lets Workflow Editors Run OS Commands as the n8n Process
n8n has patched a high-severity expression-sandbox escape that could let an authenticated workflow editor execute operating-system commands on the server running the automation platform. Security Joes found the flaw while probing n8n's February fix for CVE-2026-27577 for another bypass. The...
NPM: n8n: Cross-Tenant Module-Cache Poisoning in the JS Task Runner
NPM: n8n: Cross-Tenant Module-Cache Poisoning in the JS Task Runner vulnerability discovered by ? in WordPress Npm n8n versions 1.123.67...
NPM: n8n: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook
NPM: n8n: Unauthenticated Endpoint Allows Cancellation of Any User's Active Test Webhook vulnerability discovered by ? in WordPress Npm n8n versions 2.27.4...
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: 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...
n8n: Prototype Pollution via VM Expression Engine Sandbox Escape Leads to Denial of Service
Impact An authenticated user able to create or edit a workflow expression could abuse the expression engine's array-element access to obtain a reference to a host built-in and pollute its prototype in the main n8n process, leading to a denial of service. Both self-hosted and cloud instances runni...
n8n: Expression sandbox escape via arrow-function bodies enabling command execution
Impact An authenticated user with permission to create or modify workflows could abuse crafted expressions using arrow functions to bypass the expression sandbox, triggering unintended system command execution on the host running n8n. Patches The issue has been fixed in n8n versions 2.31.5 and...
NPM: n8n: Send Email Node Arbitrary File Read and SSRF via Nodemailer Content-Object Type Confusion
NPM: n8n: Send Email Node Arbitrary File Read and SSRF via Nodemailer Content-Object Type Confusion vulnerability discovered by ? in WordPress Npm n8n versions 1.123.67...
n8n: Authenticated code execution in the n8n Git node
Impact Authenticated n8n users with rights to create and execute workflows could achieve code execution on the n8n host. Using the Git node, under the default git security settings, by staging a crafted local repository, an attacker could cause git to run hooks, executing arbitrary commands as th...
n8n: Git Node fetch/pull/pushTags Operations Bypass Sandbox Path Restriction
Impact Authenticated n8n users with workflow create/execute rights could use the Git node's fetch, pull, or push-tags operations to bypass the repository-path containment checks that already protected clone and push. By pointing an allowlisted remote configuration value at a local path outside th...
GHSA-64XH-79J6-R5V8 n8n: Bypass "Allowed HTTP Request Domains" Credential Restriction in Multiple AI and LLM Nodes
Impact The credential "Allowed HTTP Request Domains" allowlist was intended to restrict which hosts a credential's secret could be sent to, protecting shared credentials from users who could use but not view them. Several AI/LLM nodes did not enforce this allowlist when a user-supplied base or...
n8n: Legacy Expression Evaluator Sanitizer Bypass Leads to Authenticated Code Execution
Impact The legacy expression evaluator's computed-member sanitizer can be bypassed by an authenticated user with workflow create or modify permissions. Successful exploitation grants the attacker host-level code execution as the n8n process. The legacy expression engine is the default engine in...
n8n: DOM-Based XSS via Unsandboxed iframe srcdoc in HTML Preview
Impact The HTML preview renders execution output into an iframe srcdoc without sandbox, so a sanitizer bypass lets injected script run same-origin as the editor. When a victim opens the preview, it can call authenticated APIs with their session. An account with global:member privileges can exploi...
GHSA-38FJ-36M5-783C Duplicate Advisory: Authenticated SSRF via Dynamic Node Parameters Endpoints Allows Internal Network Access
Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9w78-79q7-r4fp. This link is maintained to preserve external references. Original Description n8n versions before 1.123.64 contain a server-side request forgery vulnerability in the dynamic-node-parameters...
Insertion of Sensitive Information into Log File
Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File in the process that handles HTTP header credentials in LLM sub-node execution data. An attacker can obtain sensitive API keys and secrets by accessin...
GHSA-W46P-W7W2-FR9G Duplicate Advisory: AI Agents Project Viewer Privilege Escalation via run_node_tool
Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-x5vx-c2c8-m3w9. This link is maintained to preserve external references. Original Description n8n versions before 2.30.1 contain a privilege escalation vulnerability in the AI Agents feature where the...
CVE-2026-65599 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. Because JWT headers are Base64-encoded...
EUVD-2026-47630
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's active test webhook registration. The...
PT-2026-63357
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. Because JWT headers are Base64-encoded...
