CVE-2025-66416 DNS Rebinding Protection Disabled by Default in Model Context Protocol Python SDK for Servers Running on Localhost

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to version 1.23.0, tThe Model Context Protocol MCP Python SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost...

CVE-2025-66414

CVE-2025-66414 affects the MCP TypeScript SDK. Prior to version 1.24.0, HTTP-based MCP servers running on localhost without authentication and without DNS rebinding protection could be exploited by a malicious site to bypass same-origin policy and issue requests to the local MCP server. This coul...

CVE-2025-66414 DNS Rebinding Protection Disabled by Default in Model Context Protocol TypeScript SDK for Servers Running on Localhost

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Prior to 1.24.0, The Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without...

CVE-2025-66414 DNS Rebinding Protection Disabled by Default in Model Context Protocol TypeScript SDK for Servers Running on Localhost

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Prior to 1.24.0, The Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without...

CVE-2025-66414 DNS Rebinding Protection Disabled by Default in Model Context Protocol TypeScript SDK for Servers Running on Localhost

MCP TypeScript SDK is the official TypeScript SDK for Model Context Protocol servers and clients. Prior to 1.24.0, The Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without...

EUVD-2025-200273

Model Context Protocol MCP Python SDK does not enable DNS rebinding protection by default...

Insecure Default Initialization of Resource

Overview mcp is a Model Context Protocol SDK Affected versions of this package are vulnerable to Insecure Default Initialization of Resource for the DNS rebinding protection that is not enabled by default for HTTP-based servers running on localhost without authentication using FastMCP. An attacke...

GHSA-9H52-P55H-VW2F Model Context Protocol (MCP) Python SDK does not enable DNS rebinding protection by default

Description The Model Context Protocol MCP Python SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication using FastMCP with streamable HTTP or SSE transport, and has not configured...

Model Context Protocol (MCP) Python SDK does not enable DNS rebinding protection by default

Description The Model Context Protocol MCP Python SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication using FastMCP with streamable HTTP or SSE transport, and has not configured...

EUVD-2025-200274

Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default...

Insecure Default Initialization of Resource

Overview @modelcontextprotocol/sdk is a Model Context Protocol implementation for TypeScript Affected versions of this package are vulnerable to Insecure Default Initialization of Resource via the StreamableHTTPServerTransport or SSEServerTransport process when enableDnsRebindingProtection is not...

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

The Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication with StreamableHTTPServerTransport or SSEServerTransport and has not enabled...

GHSA-W48Q-CV73-MX4W Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

The Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. When an HTTP-based MCP server is run on localhost without authentication with StreamableHTTPServerTransport or SSEServerTransport and has not enabled...

Model Context Protocol Python SDK 安全漏洞

Model Context Protocol Python SDK is a Model Context Protocol open source development tool for Model Context Protocol servers and clients. A security vulnerability exists in the Model Context Protocol Python SDK prior to version 1.23.0, which stems from the fact that DNS rebinding protection is n...

PT-2025-48746

Name of the Vulnerable Software and Affected Versions MCP TypeScript SDK versions prior to 1.24.0 Description The Model Context Protocol MCP TypeScript SDK does not enable DNS rebinding protection by default for HTTP-based servers. If an HTTP-based MCP server is running on localhost without...

MCP TypeScript SDK 安全漏洞

MCP TypeScript SDK is a Model Context Protocol open source developer toolkit for Model Context Protocol servers and clients. A security vulnerability exists in MCP TypeScript SDK versions prior to 1.24.0 that stems from not enabling DNS rebinding protection by default, which could lead to bypassi...

Improper Access Control

agentapi is vulnerable to an Improper Access Control. The vulnerability is due to client-side DNS rebinding when the API is served over plain HTTP on localhost, where an attacker can bypass origin restrictions and access the /messages endpoint, and attackers can exploit this to exfiltrate sensiti...

CVE-2025-62593

Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. This vulnerability is due to an insufficient guard against browser-based attacks, as the current defense us...

CVE-2025-62593

Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. This vulnerability is due to an insufficient guard against browser-based attacks, as the current defense us...

Arbitrary Code Injection

Overview ray is an A system for parallel and distributed Python that unifies the ML ecosystem. Affected versions of this package are vulnerable to Arbitrary Code Injection via insufficient validation of the User-Agent header in browser requests. An attacker can execute arbitrary code on the host...