CVE-2026-44450 Lumiverse: RCE via MCP stdio argument injection

Lumiverse is a full-featured AI chat application. Prior to 0.9.7, the MCP server creation endpoint validates the command field against an allowlist of binary names but forwards the args array to the child process without any validation. Every binary on the allowlist accepts an inline-code executi...

GHSA-P3M6-JR2H-HHXJ Duplicate Advisory: OpenClaw: MCP stdio server env could load dangerous startup variables from workspace config

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-mj59-h3q9-ghfh. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server...

CVE-2026-44995

OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. Malicious workspace configurations can pass dangerous startup variables like NODEOPTIONS, LDPRELOAD, or BASHENV to spawne...

CVE-2026-44995 OpenClaw < 2026.4.20 - Arbitrary Code Execution via MCP stdio Environment Variables

OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. Malicious workspace configurations can pass dangerous startup variables like NODEOPTIONS, LDPRELOAD, or BASHENV to spawne...

CVE-2026-40933

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, due to unsafe serialization of stdio commands in the MCP adapter, an authenticated attacker can add an MCP stdio server with an arbitrary command, achieving command execution. The vulnerabilit...

LangChain-Chatchat 安全漏洞

LangChain-Chatchat is a chatbot software developed based on the LangChain framework, open-sourced by Chatchat-Space. Version 0.3.1 of LangChain-Chatchat contains a security vulnerability. This vulnerability stems from improper configuration and execution of the MCP STDIO server, which may allow...

CVE-2026-30616

Jaaz 1.0.30 contains a remote code execution vulnerability in its MCP STDIO command execution handling. A remote attacker can send crafted network requests to the network-accessible Jaaz application, causing attacker-controlled commands to be executed on the server. Successful exploitation result...

CVE-2026-39417 MaxKB: RCE via MCP stdio command injection in workflow engine

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an incomplete fix for CVE-2025-53928, where a Remote Code Execution vulnerability still exists in the MCP node of the workflow engine. MaxKB only restricts the referencing code path loading MCP config from the...

GO-2026-4645 WeKnora has Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation in github.com/Tencent/WeKnora

WeKnora has Remote Code Execution RCE via Command Injection in MCP Stdio Configuration Validation in github.com/Tencent/WeKnora...

CVE-2026-30861

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. From version 0.2.5 to before version 0.2.10, an unauthenticated remote code execution RCE vulnerability exists in the MCP stdio configuration validation. The application allows unrestricted user...

CVE-2026-30861 WeKnora: Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. From version 0.2.5 to before version 0.2.10, an unauthenticated remote code execution RCE vulnerability exists in the MCP stdio configuration validation. The application allows unrestricted user...

CVE-2026-30861 WeKnora: Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. From version 0.2.5 to before version 0.2.10, an unauthenticated remote code execution RCE vulnerability exists in the MCP stdio configuration validation. The application allows unrestricted user...

CVE-2026-30861 WeKnora: Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. From version 0.2.5 to before version 0.2.10, an unauthenticated remote code execution RCE vulnerability exists in the MCP stdio configuration validation. The application allows unrestricted user...

EUVD-2026-10184

WeKnora has Remote Code Execution RCE via Command Injection in MCP Stdio Configuration Validation...

WeKnora has Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation

Summary A critical unauthenticated remote code execution RCE vulnerability exists in the MCP stdio configuration validation introduced in version 2.0.5. The application allows unrestricted user registration, meaning any attacker can create an account and exploit the command injection flaw. Despit...

GHSA-R55H-3RWJ-HCMG WeKnora has Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration Validation

Summary A critical unauthenticated remote code execution RCE vulnerability exists in the MCP stdio configuration validation introduced in version 2.0.5. The application allows unrestricted user registration, meaning any attacker can create an account and exploit the command injection flaw. Despit...

PT-2026-23854

Name of the Vulnerable Software and Affected Versions WeKnora versions 0.2.5 through 0.2.9 WeKnora version 0.2.10 Description WeKnora, an LLM-powered framework for deep document understanding and semantic retrieval, contains an unauthenticated remote code execution RCE issue in the MCP stdio...

CVE-2026-22252

LibreChat is a ChatGPT clone with additional features. Prior to v0.8.2-rc2, LibreChat's MCP stdio transport accepts arbitrary commands without validation, allowing any authenticated user to execute shell commands as root inside the container through a single API request. This vulnerability is fix...

CVE-2026-22252 LibreChat MCP Stdio Remote Command Execution

LibreChat is a ChatGPT clone with additional features. Prior to v0.8.2-rc2, LibreChat's MCP stdio transport accepts arbitrary commands without validation, allowing any authenticated user to execute shell commands as root inside the container through a single API request. This vulnerability is fix...

CVE-2026-22688 WeKnora has Command Injection in MCP stdio test

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, there is a command injection vulnerability that allows authenticated users to inject stdioconfig.command/args into MCP stdio settings, causing the server to execute...