CVE-2019-5418 — Rails Ruby on Rails Path Traversal Vulnerability

provenance: imported · CVE: CVE-2019-5418

CVE-2019-5418: Rails Ruby on Rails Path Traversal Vulnerability

CISA Known Exploited Vulnerability (KEV)


Vendor / project	Rails
Product	Ruby on Rails
Date added	2025-07-07
Due date	2025-07-28
Ransomware campaign use	Unknown

Description

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 (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

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

References

NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5418
KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

concept/cve-anatomy