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...

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...

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...

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...

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...

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...

New API 数据伪造问题漏洞

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...

Wordfence Intelligence Weekly WordPress Vulnerability Report (April 27, 2026 to May 3, 2026)

Last week, there were 87 vulnerabilities disclosed in 198 WordPress Plugins and 5 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 61 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...

CVE-2026-41689

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the webhook notification feature reuses an administrator-configured local-target allowlist for every logged-in user. Any normal user can fully control a webhook URL, headers, and body, then use...

CVE-2026-41688

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname but passes the original hostname to cURL without CURLOPTRESOLVE pinning on 10 of 11 outbound HTTP endpoints, leaving a DNS...

EUVD-2026-28385

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the webhook notification feature reuses an administrator-configured local-target allowlist for every logged-in user. Any normal user can fully control a webhook URL, headers, and body, then use...

CVE-2026-41689 Wallos: Shared local webhook allowlist lets low-privilege users send arbitrary requests to allowlisted internal services

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the webhook notification feature reuses an administrator-configured local-target allowlist for every logged-in user. Any normal user can fully control a webhook URL, headers, and body, then use...

CVE-2026-41689 Wallos: Shared local webhook allowlist lets low-privilege users send arbitrary requests to allowlisted internal services

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the webhook notification feature reuses an administrator-configured local-target allowlist for every logged-in user. Any normal user can fully control a webhook URL, headers, and body, then use...

CVE-2026-41689

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the webhook notification feature reuses an administrator-configured local-target allowlist for every logged-in user. Any normal user can fully control a webhook URL, headers, and body, then use...

CVE-2026-41689

CVE-2026-41689 affects Wallos up to version 4.8.4. The webhook notification feature reuses an administrator-configured local-target allowlist for all logged-in users, allowing any normal user to fully control a webhook URL, headers, and body, then send server-side requests to allowlisted internal...

EUVD-2026-28384

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname but passes the original hostname to cURL without CURLOPTRESOLVE pinning on 10 of 11 outbound HTTP endpoints, leaving a DNS...

CVE-2026-41688

Wallos (versions ≤ 4.8.4) has an incomplete SSRF fix: the webhook URL is validated with gethostbyname(), but the original hostname is passed to curl without CURLOPT_RESOLVE pinning on 10 of 11 outbound HTTP endpoints, creating a DNS rebinding TOCTOU window. At publication, no patches are availabl...