CVE-2026-81091

The proxy middleware in mcp-use's inspector forwards requests to a destination the caller names. mountMcpProxy in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts read the target from the X-Target-URL header or the mcptarget parameter and proxied to it without inspecting the...

CVE-2026-81091 mcp-use Inspector Proxy Server-Side Request Forgery via Caller-Supplied Target URL

The proxy middleware in mcp-use's inspector forwards requests to a destination the caller names. mountMcpProxy in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts read the target from the X-Target-URL header or the mcptarget parameter and proxied to it without inspecting the...

CVE-2026-81091

CVE-2026-81091 is a Server-Side Request Forgery (SSRF) in the proxy middleware of mcp-use's inspector . The vulnerable function mountMcpProxy (in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts) read the target URL from the X-Target-URL header or __mcp_target parameter and f...

CVE-2026-81091 mcp-use Inspector Proxy Server-Side Request Forgery via Caller-Supplied Target URL

The proxy middleware in mcp-use's inspector forwards requests to a destination the caller names. mountMcpProxy in libraries/typescript/packages/inspector/src/server/proxy/mcp-proxy.ts read the target from the X-Target-URL header or the mcptarget parameter and proxied to it without inspecting the...

CVE-2026-19516

A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafanaapirequest tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct...

EUVD-2026-55938

A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafanaapirequest tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct...

CVE-2026-19516 CVE-2026-19516 CVE Record

A caller-supplied X-Grafana-URL request header controls the destination of mcp-grafana's outbound requests, and the grafanaapirequest tool lets the caller also choose the HTTP method, path, and body. Because the destination is not restricted to the configured Grafana instance, a caller can direct...

CVE-2026-44583

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.0, the PayPal webhook endpoint /extensions/paypal/webhook processes the PAYPAL-CERT-URL HTTP header without validation, allowing attackers to control server-side HTTP request...

CVE-2026-15583

A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud...

CVE-2026-15583 SSRF (confused deputy) in Grafana MCP Server via X-Grafana-URL header

A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud...

PT-2026-58884

Name of the Vulnerable Software and Affected Versions Grafana MCP Server affected versions not specified Description A confused-deputy flaw allows an unauthenticated remote attacker to exfiltrate the environment-configured Grafana service-account token. This is achieved by supplying a crafted...

PYSEC-2026-2621 MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers

Summary An unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL by supplying two custom HTTP headers without an Authorization header. No authentication is required. The...

GO-2026-5310 Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server in github.com/apache/skywalking-mcp

Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server in github.com/apache/skywalking-mcp...

GHSA-7WWH-XCC3-9FCG Paymenter has Blind Unauthenticated SSRF on the Paypal gateway module

Summary The PayPal webhook endpoint /extensions/paypal/webhook processes the PAYPAL-CERT-URL HTTP header without validation, allowing attackers to control server-side HTTP request destinations. Technical details: The /extensions/paypal/webhook endpoint processes incoming webhook requests and trus...

CVE-2026-34476

Server-Side Request Forgery via SW-URL Header vulnerability in Apache SkyWalking MCP. This issue affects Apache SkyWalking MCP: 0.1.0. Users are recommended to upgrade to version 0.2.0, which fixes this issue...

Server-Side Request Forgery (SSRF)

github.com/apache/skywalking-mcp is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to improper validation of the SW-URL header, which allows an attacker to supply arbitrary URLs and force the server to send requests to unintended internal or external resources...

Server-Side Request Forgery (SSRF)

n8n-mcp is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to improper validation of webhook trigger tools, the n8n API client N8NAPIURL, and per-request URLs supplied through the x-n8n-url header in multi-tenant HTTP mode, which allows an authenticated attacker to send...

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

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...

n8n-MCP 安全漏洞

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. It serves as a connection between AI assistants and automated workflow platforms. Versions of n8n-MCP from 2.18.7 to 2.50.2 contained security vulnerabilities. These vulnerabilities were caused b...