Security improvements and bug fixes for Intelligent Query PDF Q&A System#1

DevSidd2006 with Copilot wants to merge 3 commits into

mainDevSidd2006/Intelligent-Query-Retrieval-System:mainfrom

copilot/fix-ffceeac7-da0e-4b97-b7e5-730f91eed47fDevSidd2006/Intelligent-Query-Retrieval-System:copilot/fix-ffceeac7-da0e-4b97-b7e5-730f91eed47fCopy head branch name to clipboard