Glossary term
What is path traversal? Meaning for developers
In Security for Developers
Using ../ in a file name to climb out of the folder a program meant to use.
Learn it properly · Security for DevelopersLesson 7: APIs and Servers: SSRF, File Uploads, Rate Limits and MisconfigurationServer-side request forgery, unsafe file uploads, missing rate limits, verbose errors, CORS mistakes and the OWASP API Top 10, each with a small example and a fix.In Node.js From Zero
An attack where ../ in user input makes a server open a file outside the folder it meant to serve.
Learn it properly · Node.js From ZeroLesson 2: Files, Paths and Buffersfs and fs/promises, paths, buffers and encodings, reading and writing safely, and watching files.