CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: Jul 28, 2025

High

CISA KEV

CVE-2019-5418

Rails—Ruby on Rails

Rails Ruby on Rails contains a path traversal vulnerability in Action View. Specially crafted accept headers in combination with calls to `render file:` can cause arbitrary files on the target server to be rendered, disclosing the file contents.

Required Action

https://web.archive.org/web/20190313201629/https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/ ; https://nvd.nist.gov/vuln/detail/CVE-2019-5418

Vulnerability Overview

Severity: High
CISA KEV: Yes
Ransomware: Unknown
Published: Jul 7, 2025
KEV Added: Jul 7, 2025
Due Date: Jul 28, 2025
Related Articles: 0

Vendor

Rails

Ruby on Rails