# CVE-2019-5418

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.

- Page: https://www.vulneraibility.com/cve/CVE-2019-5418
- CVSS: 7.5
- Known exploited: yes, in CISA KEV since 2025-07-07; CISA due date 2025-07-28
- EPSS: 98.51%
- Public exploit code: 1 on Exploit-DB · 1 Metasploit module · 12 GitHub proofs of concept · 1 Nuclei template (first 2019-03-16)
- CISA SSVC: exploitation active, automatable yes, technical impact partial (assessed 2025-07-17)
- Weakness: CWE-22
- Also known as: GHSA-86g5-2wh3-gc9j
- Published: 2019-03-27

## Affected versions

- Rails https://github.com/rails/rails: affected 5.2.2.1; 5.1.6.2; 5.0.7.2; 4.2.11.1

A version outside these ranges is not a statement that it is unaffected.

## References

- [exploit] https://www.exploit-db.com/exploits/46585/
- [other] http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-Disclosure.html
- [other] http://www.openwall.com/lists/oss-security/2019/03/22/1
- [other] https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/
- [other] https://groups.google.com/forum/#%21topic/rubyonrails-security/pFRKI96Sm8Q
- [other] https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html
- [advisory] https://access.redhat.com/errata/RHSA-2019:0796
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
- [advisory] https://access.redhat.com/errata/RHSA-2019:1149
- [advisory] https://access.redhat.com/errata/RHSA-2019:1147
- [advisory] https://access.redhat.com/errata/RHSA-2019:1289
- [other] 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/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5418

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.