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…
- 7.5HighCVSS base score
- 98.5%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 7 Jul 2025
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 7 Jul 2025.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits4
Metasploit modules1 module
- Ruby On Rails File Content Disclosure ('doubletap') (Metasploit module) (opens in a new tab)
auxiliary/gather/rails_doubletap_file_readRank normal
Nuclei templates1 template
- Rails File Content Disclosure (Nuclei template) (opens in a new tab)
http/cves/2019/CVE-2019-5418.yamlSeverity high
Exploit-DB1 entry
- Rails 5.2.1 - Arbitrary File Content Disclosure (Exploit-DB entry) (opens in a new tab)
EDB-ID 46585webapps, multiplepublished 21 Mar 2019Not verified
References tagged exploit1 reference
- 46585 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By hackerone
- 3 months later
· 3 months later
Published
- 6 years later
· 6 years later
Added to CISA KEV
Known exploited in the wild
- 4 months later
· 4 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (12 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.
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
References14
- 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)
- EUVD EUVD-2019-0375 (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://cveledger.app/cve/CVE-2019-5418)Record last updated .