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CVE-2019-5418Rails Ruby on Rails Path Traversal Vulnerability
There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.
7.5 HIGHEPSS 98.50%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.5 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 5.0 | MEDIUM | 2.0NVD | AV:N/AC:L/Au:N/C:P/I:N/A:N |
CISA required action
⚡ Known exploited · remediation due Jul 28, 2025
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Details
- CVE ID
- CVE-2019-5418
- Status
- Analyzed
- Assigner (CNA)
- hackerone
- Published
- Mar 27, 2019
- Last modified
- 2026-06-17 02:37 UTC
- Weaknesses
- CWE-22 · Path Traversal (CWE-22)
Affected Products
As published by the CNA in the CVE record.
Railshttps://github.com/rails/rails4 version ranges
- 5.2.2.1
- 5.1.6.2
- 5.0.7.2
- 4.2.11.1
References
- lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
- packetstormsecurity.com http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-Disclosure.html
- openwall.com http://www.openwall.com/lists/oss-security/2019/03/22/1
- access.redhat.com https://access.redhat.com/errata/RHSA-2019:0796
- access.redhat.com https://access.redhat.com/errata/RHSA-2019:1147
- access.redhat.com https://access.redhat.com/errata/RHSA-2019:1149
- access.redhat.com https://access.redhat.com/errata/RHSA-2019:1289
- groups.google.com https://groups.google.com/forum/#%21topic/rubyonrails-security/pFRKI96Sm8Q
- lists.debian.org https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html
- lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
- weblog.rubyonrails.org https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/
- exploit-db.com https://www.exploit-db.com/exploits/46585/
- web.archive.org 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/
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5418