---
id: 9260
title: "CVE-2024-53991 - Discourse Backup Disclosure: Rails send_file Quirk"
cve: CVE-2024-53991
source_domain: projectdiscovery.io
source_url: "https://projectdiscovery.io/blog/discourse-backup-disclosure-rails-send_file-quirk"
published_at: "2025-03-20T11:29:06Z"
tags: ["bug-bounty"]
phying_url: "https://phying.com/item/9260"
lang: en
---

# CVE-2024-53991 - Discourse Backup Disclosure: Rails send_file Quirk

## Summary

Introduction Modern web applications rely on middleware and web server configurations to efficiently handle file delivery while maintaining security. In the Ruby ecosystem, the send_file method in Rack and Rails is a widely used mechanism that can offload file serving to web servers like Nginx and Apache, improving performance and scalability. However, when used in conjunction with Nginx’s internal directive, a feature designed to restrict access to sensitive resources, unexpected security flaw

## Intelligence Metadata

- **Sources:** projectdiscovery.io
- **CVE:** CVE-2024-53991
- **Published:** 2025-03-20T11:29:06Z
- **Original:** https://projectdiscovery.io/blog/discourse-backup-disclosure-rails-send_file-quirk
- **Phying News:** https://phying.com/item/9260