LLMHigh

CVE-2026-69263: Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.…

Occurred: Aug 4, 2026
Published: Aug 4, 2026
Source: NVD CVE

Summary

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the mitigation for CVE-2025-8943 blocked -y and --yes flags on npx, but packages/components/nodes/tools/MCP/core.ts denied only PATH, LD_LIBRARY_PATH, DYLD_LIBRARY_PATH, and NODE_OPTIONS by exact environment-variable name. Because npm reads configuration from npm_config_* variables, setting npm_config_yes=true reproduced --yes behavior without using a blocked flag, causing npx to auto-install and execute the named package when a Custom MCP server launched. This issue is fixed in version 3.1.3.

Classification

Category confidence: 90%

Severity confidence: 85%

Rationale: CVE describes a security vulnerability in an LLM workflow tool allowing unauthorized package execution via environment variable bypass.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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