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cve/2025/CVE-2025-8943.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2025-8943

Description

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 default installation operates without authentication unless explicitly configured. This combination allows unauthenticated network attackers to execute unsandboxed OS commands.

POC

Reference

Github