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...

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...

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...

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...

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...

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...

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...

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...

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...

CVE-2025-62593

Technical details for CVE-2025-62593 are not publicly disclosed in the provided documents; the Ray RCE entry and related advisories do not contain product/version/impact information for this CVE. Monitor for updates.

CVE-2025-62593 Ray is vulnerable to RCE via Safari & Firefox Browsers through DNS Rebinding Attack

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...

EUVD-2025-199754

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 vulnerable to RCE via Safari & Firefox Browsers through DNS Rebinding Attack

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...

Ray is vulnerable to Critical RCE via Safari & Firefox Browsers through DNS Rebinding Attack

Summary Developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. Due to the longstanding decision by the Ray Development team to not implement any sort of authentication on critical endpoints, like the /api/jobs &...

DNS Rebinding

sillytavern is vulnerable to DNS rebinding. The vulnerability is due to improper host validation in the web UI, which allows an attacker to exploit it by installing malicious extensions, reading chats, and injecting arbitrary HTML for phishing...

PT-2025-48198

Name of the Vulnerable Software and Affected Versions Ray versions prior to 2.52.0 Description Ray is an AI compute engine that lacks authentication on critical API endpoints, specifically '/api/jobs' and '/api/job agent/jobs/'. This allows remote code execution RCE via a DNS rebinding attack...

Astra Linux – Vulnerability in Firefox

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS using DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1...