Vulnerabilidades

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. From 1.1.0 to 1.7.4, the TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path (e.g., //evil.com/) that, after trailing…

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github.<user>/* namespace to OCI images they do not…

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.7, the Registry's HTTP-based namespace verification (POST /v0/auth/http, POST /v0.1/auth/http) uses safeDialContext (internal/api/handlers/v0/auth/http.go:67-110) to refuse dialling private/internal…

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.7, the public catalogue UI served at GET / (file internal/api/handlers/v0/ui_index.html) is vulnerable to stored cross-site scripting via the server.websiteUrl field of any published server.json.…

RMCP is an official Rust SDK for the Model Context Protocol. Prior to version 1.4.0, the rmcp crate's Streamable HTTP server transport (crates/rmcp/src/transport/streamable_http_server/) did not validate the incoming Host header. This allowed a malicious public website, via a DNS rebinding attack, to send…

An issue in Open Source Kubectl MCP Server v1.1.1 allows attackers to execute arbitrary code on a victim system via user interaction with a crafted HTML page.

A remote code execution vulnerability exists in Code Runner MCP Server when run with the --transport http option, which exposes the /mcp JSON-RPC endpoint without authentication on port 3088. An unauthenticated remote attacker can invoke the run-code MCP tool to supply arbitrary source code and execute it via…

On 2026-05-11, between approximately 19:20 and 19:26 UTC, 84 malicious versions across 42 @tanstack/* packages were published to the npm registry. The publishes were authenticated via the legitimate GitHub Actions OIDC trusted-publisher binding for TanStack/router, but the publish workflow itself was not modified. The…

Wireshark MCP is an MCP Server that turns tshark into a structured analysis interface, then layers in optional Wireshark suite utilities. In 1.1.5 and earlier, wireshark-mcp exposes a wireshark_export_objects MCP tool that accepts an attacker-controlled dest_dir parameter and passes it to tshark's --export-objects…

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 (N8N_API_URL), and per-request…

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 request dispatcher and…

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to version 2.47.11, when n8n-mcp runs in HTTP transport mode, incoming requests to the POST /mcp endpoint had their request metadata written to server logs regardless of the authentication outcome.…

A weakness has been identified in huangjunsen0406 xiaozhi-mcphub up to 1.0.3. This vulnerability affects unknown code of the file src/controllers/dxtController.ts. This manipulation of the argument manifest.name causes path traversal. The attack may be initiated remotely. The exploit has been made available to the…

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. In versions 2.47.4 through 2.47.13, the SDK embedder path (N8NDocumentationMCPServer constructor, getN8nApiClient(), and validateInstanceContext()), the synchronous URL validator in…

A vulnerability was found in 54yyyu code-mcp up to 4cfc4643541a110c906d93635b391bf7e357f4a8. The impacted element is the function git_operation of the file src/code_mcp/server.py of the component MCP Tool. Performing a manipulation of the argument operation results in command injection. The attack can be initiated…

A vulnerability has been found in 54yyyu code-mcp up to 4cfc4643541a110c906d93635b391bf7e357f4a8. The affected element is the function is_safe_path of the file src/code_mcp/server.py of the component MCP File Handler. Such manipulation leads to path traversal. It is possible to launch the attack remotely. The exploit…

A flaw has been found in UsamaK98 python-notebook-mcp up to a05a232815809a7e425b5fa7be26e0d4369894c2. Impacted is the function create_notebook/read_notebook/edit_cell/add_cell of the file server.py. This manipulation causes path traversal. It is possible to initiate the attack remotely. The exploit has been published…

Vulnerability in the Oracle MCP Server Helper Tool product of Oracle Open Source Projects (component: helper tool). The supported versions that is affected is 1.0.1-1.0.156. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle MCP Server Helper Tool.…

A security flaw has been discovered in Axle-Bucamp MCP-Docusaurus up to 404bc028e15ec304c9a045528560f4b5f27a17e0. The affected element is the function update_document/continue_document/delete_document/get_content of the file app/routes/document.py. Performing a manipulation of the argument DOCS_DIR/path results in…

A security flaw has been discovered in A-G-U-P-T-A wireshark-mcp edaf604416fbc94a201b4043092d4a1b09a12275/400c3da70074f22f3cce7ccb65304cafc7089c89. This affects the function quick_capture of the file pyshark_mcp.py. The manipulation results in os command injection. The attack may be launched remotely. The exploit has…

A security flaw has been discovered in puchunjie doc-tools-mcp 1.0.18. This affects the function create_document/open_document of the file src/mcp-server.ts of the component MCP Interface. The manipulation of the argument filePath results in path traversal. The attack can be launched remotely. The exploit has been…

A weakness has been identified in privsim mcp-test-runner 0.2.0. Impacted is the function child_process.spawn of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument command can lead to os command injection. The attack may be launched remotely. The exploit has been made…

A security flaw has been discovered in pixelsock directus-mcp 1.0.0. This issue affects the function validateUrl of the file index.ts of the component MCP Interface. Performing a manipulation of the argument fileUrl results in server-side request forgery. The attack may be initiated remotely. The exploit has been…

A vulnerability was identified in ryanjoachim mcp-rtfm 0.1.0. This vulnerability affects the function get_doc_content/read_doc/update_doc of the component MCP Interface. Such manipulation of the argument docFile leads to path traversal. The attack can be launched remotely. The exploit is publicly available and might…

A vulnerability has been found in ravenwits mcp-server-arangodb up to 0.4.7. This affects the function arango_backup of the file src/tools.ts of the component MCP Interface. Such manipulation of the argument outputDir leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed…