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Flowise
Flowise Enterprise Authentication Bypass via Hardcoded Default JWT Secrets (CVE-2026-56271)
Flowise's enterprise passport authentication middleware signs and verifies JWTs using values pulled from environment variables (JWTAUTHTOKENSECRET, JWTREFRESHTOKENSECRET, JWTAUDIENCE, JWTISSUER). When an operator doesn't set these — an easy oversight in a…
Flowise CustomMCP Unauthenticated Remote Code Execution via Function() Constructor (CVE-2025-59528)
Flowise exposes a CustomMCP node whose loadMethod handler (/api/v1/node-load-method/customMCP) accepts a user-supplied mcpServerConfig string. On the backend, this string is passed straight into a Function() constructor inside the convertToValidJSONString…
Flowise NVIDIA NIM Endpoint Authentication Bypass — CVE-2026-30824
Flowise's global authentication middleware whitelists the /api/v1/nvidia-nim/ path, exposing NVIDIA NIM container management and API token generation endpoints to unauthenticated remote access (CWE-306: Missing Authentication for Critical Function). An…
Flowise Custom MCP Environment Variable Case Bypass
Flowise's Custom MCP stdio node validates configured environment variables against a denylist (PATH, LDLIBRARYPATH, DYLDLIBRARYPATH, NODEOPTIONS) using exact, case-sensitive string comparison. Windows, however, treats environment variable names…