Fileupload Gunner Project New Jun 2026

The server-side application is written in Node.js and uses the following dependencies:

const app = express(); const upload = multer( dest: './uploads/', limits: fileSize: 10 * 1024 * 1024, // 10MB , );

Here is an informative guide on the project, including what it is, how to set it up, and the core vulnerabilities it teaches.

final_storage: streaming: true s3_multipart_threshold: 5242880 # 5MB

Some servers sanitize filenames poorly.