This Week in Spring - March 31st, 2026

Hi, Spring fans! Welcome to another fun edition of This Week in Spring! I'm writing to you from beautiful Amsterdam ahead of the wonderful Voxxed Days Amsterdam event, and I'm really looking forward to it. If you're there, please come say hello! Also, be aware that I'll be speaking at the Paris J...

CVE-2026-34200: Missing Authentication for Critical Function

Nhost is an open source Firebase alternative with GraphQL. Prior to version 1.41.0, The Nhost CLI MCP server, when explicitly configured to listen on a network port, applies no inbound authentication and does not enforce strict CORS. This allows a malicious website visited on the same machine to...

CVE-2026-34237: Permissive Cross-domain Policy with Untrusted Domains

MCP Java SDK is the official Java SDK for Model Context Protocol servers and clients. Prior to versions 0.83.0, 1.0.1, and 1.1.1, there is a hardcoded wildcard CORS vulnerability. This issue has been patched in versions 0.83.0, 1.0.1, and 1.1.1...

CVE-2026-34163: Server-Side Request Forgery (SSRF)

FastGPT is an AI Agent building platform. Prior to version 4.14.9.5, FastGPT's MCP Model Context Protocol tools endpoints /api/core/app/mcpTools/getTools and /api/core/app/mcpTools/runTool accept a user-supplied URL parameter and make server-side HTTP requests to it without validating whether the...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the mcpmessage endpoint due to missing authentication checks and an empty default IP whitelist, which is treated as allowing all connections. An attacker can gain full control over the Ngi...

EUVD-2026-17146

A vulnerability was detected in raine consult-llm-mcp up to 2.5.3. Affected by this vulnerability is the function childprocess.execSync of the file src/server.ts. The manipulation of the argument gitdiff.baseref/gitdiff.files results in os command injection. The attack is only possible with local...

CVE-2026-33032 Nginx UI: Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoi...

CVE-2026-33032 Nginx UI: Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoi...

Permissive Cross-domain Policy with Untrusted Domains

Overview Affected versions of this package are vulnerable to Permissive Cross-domain Policy with Untrusted Domains via the HttpServletSseServerTransportProvider and HttpServletStreamableServerTransportProvider classes. An attacker can access sensitive session information by leveraging a malicious...

CVE-2026-5125 raine consult-llm-mcp server.ts child_process.execSync os command injection

A vulnerability was detected in raine consult-llm-mcp up to 2.5.3. Affected by this vulnerability is the function childprocess.execSync of the file src/server.ts. The manipulation of the argument gitdiff.baseref/gitdiff.files results in os command injection. The attack is only possible with local...

GHSA-H6C2-X2M2-MWHF nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

Summary The nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoint only applies IP whitelisting - and the default IP whitelist is empty, which t...

Nginx UI 安全漏洞

Nginx UI is a web interface for Nginx developed by Jacky. Versions of Nginx UI 2.3.5 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the MCP integration, where the /mcmessage endpoint only applied an IP white list, and the default white list was empty. This...

nginx-ui's Unauthenticated MCP Endpoint Allows Remote Nginx Takeover

The nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoint only applies IP whitelisting - and the default IP whitelist is empty, which the...

PT-2026-29087

A vulnerability was detected in raine consult-llm-mcp up to 2.5.3. Affected by this vulnerability is the function child process.execSync of the file src/server.ts. The manipulation of the argument git diff.base ref/git diff.files results in os command injection. The attack is only possible with...

CVE-2026-5125: Improper Neutralization of Special Elements used in an OS Command

A vulnerability was detected in raine consult-llm-mcp up to 2.5.3. Affected by this vulnerability is the function childprocess.execSync of the file src/server.ts. The manipulation of the argument gitdiff.baseref/gitdiff.files results in os command injection. The attack is only possible with local...

CVE-2026-33032: Missing Authentication for Critical Function

Nginx UI is a web user interface for the Nginx web server. In versions 2.3.5 and prior, the nginx-ui MCP Model Context Protocol integration exposes two HTTP endpoints: /mcp and /mcpmessage. While /mcp requires both IP whitelisting and authentication AuthRequired middleware, the /mcpmessage endpoi...

consult-llm-mcp 操作系统命令注入漏洞

consult-llm-mcp is a multi-model code consultation server developed by Raine Virta. Versions of consult-llm-mcp prior to 2.5.3 had an operating system command injection vulnerability. This vulnerability stemmed from incorrect operations with parameters gitdiff.baseref/gitdiff.files in the...

(0Day) aws-mcp-server Command Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of aws-mcp-server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the allowed commands list. The issue results from the lack of proper...

CVE-2026-29872: Exposure of Sensitive Information to an Unauthorized Actor

A cross-session information disclosure vulnerability exists in the awesome-llm-apps project in commit e46690f99c3f08be80a9877fab52acacf7ab8251 2026-01-19. The affected Streamlit-based GitHub MCP Agent stores user-supplied API tokens in process-wide environment variables using os.environ without...

PT-2026-29110

Name of the Vulnerable Software and Affected Versions aws-mcp-server affected versions not specified Description aws-mcp-server is affected by a command injection issue that allows for remote code execution. This issue is related to the AWS CLI. It has been identified as a zero-day. Recommendatio...