OS Command Injection

Flowise is vulnerable to OS Command Injection. The vulnerability is due to minimal authentication and lack of RBAC, combined with default installations running without authentication, which allows an attacker to execute unsandboxed OS commands remotely...

CVE-2025-8943

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

Flowise OS command remote code execution

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

GHSA-2VV2-3X8X-4GV7 Flowise OS command remote code execution

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

Duplicate Advisory: Flowise vulnerable to RCE via Dynamic function constructor injection

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hmgh-466j-fx4c. This link is maintained to preserve external references. Original Description User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers...

GHSA-Q4XX-MC3Q-23X8 Duplicate Advisory: Flowise vulnerable to RCE via Dynamic function constructor injection

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hmgh-466j-fx4c. This link is maintained to preserve external references. Original Description User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers...

Arbitrary Code Injection

Overview flowise-components is a Flowiseai Components Affected versions of this package are vulnerable to Arbitrary Code Injection due to the unsafe implementation of a dynamic Function constructor. An attacker can execute arbitrary JavaScript code on the server by sending a crafted POST request...

@proompter/demo-next (>=0.0.16, <=0.0.19), @proompter/flowise (>=1.4.13, <=1.4.14) +2 more potentially affected by CVE-2025-8943 via flowise-components (>=1.3.4, <=3.1.4)

flowise-components NPM version =1.3.4, =0.0.16, =1.4.13, =0.0.1, =1.0.0, =3.1.4 Source cves: CVE-2025-8943 Source advisory: SNYK:JS-FLOWISECOMPONENTS-11953677...

Command Injection

Overview flowise-components is a Flowiseai Components Affected versions of this package are vulnerable to Command Injection via the CustomMCP class. An attacker can gain unauthorized remote access and execute arbitrary operating system commands by sending crafted requests over the network. This i...

CVE-2025-8943

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

CVE-2025-8943 Unsupervised OS command execution leads to remote code execution by unauthenticated network attackers

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

CVE-2025-8943

Flowise CVE-2025-8943 affects Flowise versions before 3.0.1. The vulnerability resides in the Custom MCPs feature, specifically the /api/v1/node-load-method/customMCP endpoint, where insufficient authentication/authorization allows unauthenticated network attackers to execute OS commands unsandbo...

CVE-2025-8943 Unsupervised OS command execution leads to remote code execution by unauthenticated network attackers

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

CVE-2025-8943

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like "npx" to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

CVE-2025-8943 Unsupervised OS command execution leads to remote code execution by unauthenticated network attackers

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

PT-2025-33143

Name of the Vulnerable Software and Affected Versions: Flowise JS affected versions not specified Description: User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host by...

Flowise 安全漏洞

Flowise is a FlowiseAI open source tool for easily building LLM applications. A security vulnerability exists in Flowise that stems from user-controlled input flow to an insecure dynamic function constructor implementation that could lead to the execution of arbitrary non-sandboxed JS code in the...

PT-2025-33147

Name of the Vulnerable Software and Affected Versions: Flowise versions prior to 3.0.1 Description: Flowise, a software platform for building user interfaces over language models LLM, has a missing authentication check for a critical function. This allows remote, unauthenticated attackers to...

CVE-2025-8943: Missing Authentication for Critical Function

The Custom MCPs feature is designed to execute OS commands, for instance, using tools like npx to spin up local MCP Servers. However, Flowise's inherent authentication and authorization model is minimal and lacks role-based access controls RBAC. Furthermore, in Flowise versions before 3.0.1 the...

Flowise 安全漏洞

Flowise is a FlowiseAI open source tool for easily building LLM applications. A security vulnerability exists in versions prior to Flowise 3.0.1 that stems from the lack of authentication and role-based access control in the default installation, which could lead to the execution of un-sandboxed ...