CVE-2025-49596 MCP Inspector proxy server lacks authentication between the Inspector client and proxy

The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio...

CVE-2025-49596

Summary: CVE-2025-49596 affects MCP Inspector deployments prior to 0.14.1. An unauthenticated bridge between the Inspector client and proxy allows remote code execution by sending MCP commands via stdio. This can enable arbitrary command execution with high impact (confidentiality, integrity, and...

CVE-2025-49596 MCP Inspector proxy server lacks authentication between the Inspector client and proxy

The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio...

CVE-2025-49596

The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio...

CVE-2025-49596 MCP Inspector proxy server lacks authentication between the Inspector client and proxy

The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio...

CVE-2025-49596: Missing Authentication for Critical Function

The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio...

A Bootiful Podcast: The legendary Daniel Garnier-Moiroux on security, AI, MCP, and more

Hi, Spring fans! In this installment I talk to the legendary Daniel Garnier-Moiroux on security, AI, MCP, and more, recorded live at Devoxx UK 2025...

MCP Server Unauthenticated Access

This is an informational notice that the scanner was able to detect a Model Context Protocol MCP server available without authentication on the target server. When available, the plugin provides the list of tools, prompts and resources in the attachments. No source data...

Beyond the Protocol: Unveiling Attack Vectors in the Model Context Protocol Ecosystem

The Model Context Protocol MCP is an emerging standard designed to enable seamless interaction between Large Language Model LLM applications and external tools or resources. Within a short period, thousands of MCP services have already been developed and deployed. However, the client-server...

PortSwigger Web Security: DNS Rebinding SSRF in Burp Suite MCP Server Enables Internal Network Access via send_http1_request Tool

The Burp Suite MCP Model Context Protocol server was vulnerable to a DNS rebinding attack. This allowed malicious websites to connect to the victim's local MCP server, use the sendhttp1request tool to make arbitrary HTTP requests, and access internal networks, localhost services, and cloud metada...

Unauthorized File Disclosure

mcp-markdownify-server is vulnerable to Unauthorized File Disclosure. The vulnerability is due to improper access control due to the get-markdown-file tool allowing external prompts to read arbitrary files from the host system...

MAL-2025-4635 Malicious code in yaml-mcp-wrapper (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 63f698f000e6c4702e971dcd3923f64bd9039710fde38e7329b170ba0266ac01 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in yaml-mcp-wrapper (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 63f698f000e6c4702e971dcd3923f64bd9039710fde38e7329b170ba0266ac01 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malware in yaml-mcp-wrapper

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outsid...

CVE-2025-5273

All versions of the package mcp-markdownify-server are vulnerable to Files or Directories Accessible to External Parties via the get-markdown-file tool. An attacker can craft a prompt that, once accessed by the MCP host, will allow it to read arbitrary files from the host running the server...

CVE-2025-5276

All versions of the package mcp-markdownify-server are vulnerable to Server-Side Request Forgery SSRF via the Markdownify.get function. An attacker can craft a prompt that, once accessed by the MCP host, can invoke the webpage-to-markdown, bing-search-to-markdown, and youtube-to-markdown tools to...

CVE-2025-5277

aws-mcp-server MCP server is vulnerable to command injection. An attacker can craft a prompt that once accessed by the MCP client will run arbitrary commands on the host system...

GHSA-FRQ9-3HP2-XVXG Markdownify MCP Server allows Server-Side Request Forgery (SSRF) via the Markdownify.get() function

All versions of the package mcp-markdownify-server are vulnerable to Server-Side Request Forgery SSRF via the Markdownify.get function. An attacker can craft a prompt that, once accessed by the MCP host, can invoke the webpage-to-markdown, bing-search-to-markdown, and youtube-to-markdown tools to...

Markdownify MCP Server allows Server-Side Request Forgery (SSRF) via the Markdownify.get() function

All versions of the package mcp-markdownify-server are vulnerable to Server-Side Request Forgery SSRF via the Markdownify.get function. An attacker can craft a prompt that, once accessed by the MCP host, can invoke the webpage-to-markdown, bing-search-to-markdown, and youtube-to-markdown tools to...

Markdownify MCP Server allows attackers to read arbitrary files

All versions of the package mcp-markdownify-server are vulnerable to Files or Directories Accessible to External Parties via the get-markdown-file tool. An attacker can craft a prompt that, once accessed by the MCP host, will allow it to read arbitrary files from the host running the server...