CVE-2025-61687: Flowise arbitrary file upload allowing persistent web shell storage

Summary

CVE-2025-61687 affects version 3.0.7 of FlowiseAI, a drag and drop interface for building LLM flows. Authenticated users can upload arbitrary files without validation of extensions, MIME types or content, so malicious Node.js web shells can be stored persistently on the server. The shells do not run automatically, but their presence allows later command execution through administrator error or chained vulnerabilities.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

• flowisenpmLLM dependency since 2024-03-12

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