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…
- Published
- Updated
- Reserved
- Assigned by
- hackerone
Description
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Rails Ruby on Rails Path Traversal Vulnerability.
- Added
- 7 Jul 2025
- Fix due (US federal)
- 28 Jul 2025
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 98.5% · top 0.1% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
Rails · https://github.com/rails/rails
- affected 5.2.2.1
- affected 5.1.6.2
- affected 5.0.7.2
- affected 4.2.11.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsactionviewGHSA-86g5-2wh3-gc9j (opens in a new tab)
References (14)
- 46585 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-Disclosure.html (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20190322 [CVE-2019-5418] Amendment: Possible Remote Code Execution Exploit in Action View (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://groups.google.com/forum/#%21topic/rubyonrails-security/pFRKI96Sm8Q (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20190331 [SECURITY] [DLA 1739-1] rails security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2019:0796 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2019:1344 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2019-1cfe24db5c (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- RHSA-2019:1149 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:1147 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2019:1289 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 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/ (opens in a new tab)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-5418 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-86g5-2wh3-gc9j (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-5418)Record last updated .