CVE-2025-58434_CVE-2025-59528

CVE-2025-58434CVE-2025-59528 Script PoC CVE-2025-58434 Flowise -lp...

CVE-2026-91931

Flowise before 3.1.4 contains a remote code execution vulnerability in the Custom MCP node that allows authenticated attackers to execute arbitrary code by supplying npx package names in the mcpServerConfig parameter. Attackers can invoke npx with attacker-controlled npm packages to execute code ...

CVE-2026-91931 Flowise before 3.1.4 Remote Code Execution via Custom MCP npx

Flowise before 3.1.4 contains a remote code execution vulnerability in the Custom MCP node that allows authenticated attackers to execute arbitrary code by supplying npx package names in the mcpServerConfig parameter. Attackers can invoke npx with attacker-controlled npm packages to execute code ...

CVE-2026-91931

Flowise before 3.1.4 is affected by a remote code execution vulnerability in the Custom MCP node . An authenticated attacker can supply attacker-controlled npx package names in the mcpServerConfig parameter, causing the server to execute arbitrary code via npx invocation of a malicious npm packag...

CVE-2026-91931 Flowise before 3.1.4 Remote Code Execution via Custom MCP npx

Flowise before 3.1.4 contains a remote code execution vulnerability in the Custom MCP node that allows authenticated attackers to execute arbitrary code by supplying npx package names in the mcpServerConfig parameter. Attackers can invoke npx with attacker-controlled npm packages to execute code ...

CVE-2026-91931: Improper Neutralization of Special Elements used in an OS Command

Flowise before 3.1.4 contains a remote code execution vulnerability in the Custom MCP node that allows authenticated attackers to execute arbitrary code by supplying npx package names in the mcpServerConfig parameter. Attackers can invoke npx with attacker-controlled npm packages to execute code ...

PT-2026-92051

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.4 Description An issue in the Custom MCP node allows authenticated attackers to achieve remote code execution. By supplying malicious npx package names through the mcpServerConfig parameter, an attacker can force...

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Flowise versions from 2.2.7 prior to 3.1.2 are vulnerable to remote code execution through the Custom MCP Model Context Protocol node configuration. The vulnerability exists in the /api/v1/node-load-method/customMCP endpoint, which accepts arbitrary command and argument configurations for MCP...

CVE-2026-73601

Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP node when CUSTOMMCPPROTOCOL is set to stdio, allowing authenticated users to execute arbitrary commands by manipulating environment variables and command arguments. Attackers can abuse PYTHONWARNINGS and...

CVE-2026-73601

Flowise

CVE-2026-73601

Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP node when CUSTOMMCPPROTOCOL is set to stdio, allowing authenticated users to execute arbitrary commands by manipulating environment variables and command arguments. Attackers can abuse PYTHONWARNINGS and...

EUVD-2026-57805

Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP node when CUSTOMMCPPROTOCOL is set to stdio, allowing authenticated users to execute arbitrary commands by manipulating environment variables and command arguments. Attackers can abuse PYTHONWARNINGS and...

CVE-2026-73601 Flowise before 3.1.3 Remote Code Execution via Custom MCP

Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP node when CUSTOMMCPPROTOCOL is set to stdio, allowing authenticated users to execute arbitrary commands by manipulating environment variables and command arguments. Attackers can abuse PYTHONWARNINGS and...

CVE-2026-73601: Improper Neutralization of Directives in Dynamically Evaluated Code

Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP node when CUSTOMMCPPROTOCOL is set to stdio, allowing authenticated users to execute arbitrary commands by manipulating environment variables and command arguments. Attackers can abuse PYTHONWARNINGS and...

PT-2026-71429

Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP node when CUSTOM MCP PROTOCOL is set to stdio, allowing authenticated users to execute arbitrary commands by manipulating environment variables and command arguments. Attackers can abuse PYTHONWARNINGS a...

📄 Flowise 3.1.3 Arbitrary Code Execution

Flowise version 3.1.3 suffers from an arbitrary code execution vulnerability. On Windows, the Custom MCP stdio environment variable validation uses case-sensitive comparison. Supplying "nodeoptions" bypasses the NODEOPTIONS denylist and allows arbitrary code execution via --require. Exploit Title...

CVE-2026-58057

Flowise before 3.1.3 is affected: a case-sensitive denylist for Custom MCP stdio environment variables allows bypass on Windows (case-insensitive env names). An authenticated user who can configure a Custom MCP node can inject NODE_OPTIONS --require to execute arbitrary code in the Flowise server...

Exploit for Code Injection in Flowiseai Flowise

CVE-2025-59528.yaml Flowise is a drag & drop user interface to...

CVE-2025-59528

Flowise 3.0.5 contains a remote code execution vulnerability in the CustomMCP node. The mcpServerConfig string is parsed and passed to the Function() constructor via convertToValidJSONString without validation, allowing an attacker to execute arbitrary JavaScript with Node.js privileges (e.g., ac...

CVE-2025-59528 Flowise has Remote Code Execution vulnerability

Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5, Flowise is vulnerable to remote code execution. The CustomMCP node allows users to input configuration settings for connecting to an external MCP server. This node parses the user-provided...