File Upload Vulnerability in FlowiseAI Affects File Management

CVE-2025-61687

What is CVE-2025-61687?

FlowiseAI, a platform designed to facilitate the creation of customized large language model workflows, contains a file upload vulnerability in version 3.0.7. Authenticated users can exploit this flaw to upload arbitrary files without appropriate validation checks. This oversight means that attackers can store malicious Node.js web shells on the server, leading to potential Remote Code Execution (RCE). The system inadequately validates file extensions, MIME types, and the content of uploaded files, creating an avenue for persistent threats. Although the malicious files do not execute automatically, their presence on the server can be exploited later, especially due to possible administrative errors or additional vulnerabilities. This vulnerability represents a significant threat to the integrity and confidentiality of the affected system.

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