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CVE-2019-5418: Rails Ruby on Rails Path Traversal Vulnerability
Rails Ruby on Rails · in CISA KEV since 2025-07-07
2025-07-07added to KEV
2025-07-28federal remediation due date
98.51%EPSS exploit probability (30 days) 99.9th percentile
7.5 HIGHCVSS 3.1
Unknownknown ransomware use
2,294days from NVD publication to KEV
What it is
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.
| CWE | CWE-22 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD published | 2019-03-27 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2019-5418.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.