> cat /dev/github | grep security-tools
discovered 30 Mar 2026

CVE-2023-38831-winrar-exploit

Python ★ 788 via github-topic
→ View on GitHub

AI Summary: The CVE-2023-38831 winrar exploit generator is a tool designed to create proof-of-concept (PoC) exploits for a recently discovered vulnerability in WinRAR versions up to 6.22. It allows users to customize bait files, such as images or documents, along with malicious script files to generate a malicious RAR archive. Notable features include an easy-to-use command-line interface for generating exploits and the ability to customize payloads according to user specifications.


README

CVE-2023-38831 winrar exploit generator

Quick poc test

Generate the default poc for test

python cve-2023-38831-exp-gen.py poc
or
python cve-2023-38831-exp-gen.py CLASSIFIED_DOCUMENTS.pdf script.bat  poc.rar

Custom

  1. Place the bait file and (evil) script file in the current directory, the bait file is recommended to be an image (.png, jpg) or a document (.pdf)
  2. Run python cve-2023-38831-exp-gen.py <bait name> <script name> <output name> to generate your exploit

Screenshots

Infected version: winrar <= 6.22

demo

Analysis Blog

https://b1tg.github.io/post/cve-2023-38831-winrar-analysis/

Reference

https://www.group-ib.com/blog/cve-2023-38831-winrar-zero-day/