CVE-2026-44694

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client N8NAPIURL, a...

CVE-2026-44694

CVE-2026-44694 affects n8n-MCP before 2.50.2. An authenticated SSRF vulnerability exists in the webhook trigger tools, the n8n API client (N8N_API_URL), and per-request URLs via the x-n8n-url header in multi-tenant HTTP mode. Exploitation allows a valid MCP session to cause the host to send HTTP ...

CVE-2026-44694 n8n-MCP: Authenticated SSRF in n8n-mcp webhook and API client paths

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client N8NAPIURL, a...

CVE-2026-44694

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client N8NAPIURL, a...

GHSA-FP53-QCF8-2XX2 Bunsink has an SSRF bypass in `validate_webhook_url`

Summary Bugsink’s webhook URL validation in versions 2.1.2 and earlier could be partially bypassed because of a mismatch in URL parsing. In some malformed URLs, Python’s standard URL parser urllib and the HTTP client stack requests / urllib3 do not agree on which host is actually being targeted...

Server-side Request Forgery (SSRF)

Overview bugsink is a Self-hosted Error Tracking Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the validatewebhookurl process. An attacker can cause the application to send outbound HTTP POST requests to unintended hosts, including internal or...

Bunsink has an SSRF bypass in `validate_webhook_url`

Summary Bugsink’s webhook URL validation in versions 2.1.2 and earlier could be partially bypassed because of a mismatch in URL parsing. In some malformed URLs, Python’s standard URL parser urllib and the HTTP client stack requests / urllib3 do not agree on which host is actually being targeted...

EUVD-2026-28824

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to version 2.47.13, when n8n-mcp runs in HTTP transport mode, authenticated MCP tools/call requests had their full arguments and JSON-RPC params written to server logs by the...

GHSA-CMRH-WVQ6-WM9R n8n-mcp webhook and API client paths has an authenticated SSRF

Summary Authenticated Server-Side Request Forgery affecting the webhook trigger tools, the n8n API client N8NAPIURL, and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. Impact A caller with access to the MCP session can drive HTTP requests from the n8n-mcp host to...

Server-side Request Forgery (SSRF)

Overview n8n-mcp is an Integration between n8n workflow automation and Model Context Protocol MCP Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the N8nApiClient, when handling webhook triggers, API client base URLs, and per-request URLs supplied via the...

EUVD-2026-28825

n8n-mcp webhook and API client paths has an authenticated SSRF...

n8n-mcp webhook and API client paths has an authenticated SSRF

Summary Authenticated Server-Side Request Forgery affecting the webhook trigger tools, the n8n API client N8NAPIURL, and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. Impact A caller with access to the MCP session can drive HTTP requests from the n8n-mcp host to...

NPM: n8n-mcp webhook and API client paths has an authenticated SSRF

NPM: n8n-mcp webhook and API client paths has an authenticated SSRF vulnerability discovered by ? in WordPress Npm n8n-mcp versions = 2.18.7, 2.50.2...

CVE-2026-41432: Insufficient Verification of Data Authenticity

New API is a large language mode LLM gateway and artificial intelligence AI asset management system. Prior to version 0.12.10, a vulnerability exists in the Stripe webhook handler that allows an unauthenticated attacker to forge webhook events and credit arbitrary quota to their account without...

PT-2026-39265

Name of the Vulnerable Software and Affected Versions Bugsink versions prior to 2.1.3 Description A mismatch in URL parsing allows the bypass of webhook URL validation. The system used Python's urllib.parse.urlparse for validation but requests.post to send the request. For malformed inputs...

CVE-2026-44694: Time-of-check Time-of-use (TOCTOU) Race Condition

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. From version 2.18.7 to before version 2.50.2, there is an authenticated server-side request forgery vulnerability affecting the webhook trigger tools, the n8n API client N8NAPIURL, a...

PT-2026-39196

Name of the Vulnerable Software and Affected Versions Plunk versions prior to 0.9.0 Description The '/webhooks/sns' endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN. This allows an unauthenticated attack...

New API Data Forgery Vulnerability

The New API is an interface software developed by QuantumNous. Versions of the New API prior to 0.12.10 had a data manipulation vulnerability. This vulnerability stems from defects in the Stripe webhook handler, which could allow unauthorized attackers to forge webhook events and arbitrarily...

PT-2026-39242

Name of the Vulnerable Software and Affected Versions Volcano versions prior to 1.14.2 Volcano versions prior to 1.13.3 Volcano versions prior to 1.12.4 Description The Volcano webhook server fails to enforce a size limit on incoming HTTP request bodies. This allows any in-cluster pod capable of...

PT-2026-39189

Name of the Vulnerable Software and Affected Versions n8n-MCP versions 2.18.7 through 2.50.1 Description An authenticated server-side request forgery SSRF issue exists affecting the webhook trigger tools, the n8n API client N8N API URL, and per-request URLs provided via the x-n8n-url header in...