High severity · published Mar 27, 2019
CVE-2019-5418
Rails Ruby on Rails Path Traversal Vulnerability
In wildKEV
7.5
CVSS
98.5%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)98.5% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Jul 7, 2025
Federal remediation dueJul 28, 2025
Ransomware campaign useNot known
Affected products
Which versions
HT
https://github.com/rails/rails · Rails
5.2.2.1; 5.1.6.2; 5.0.7.2; 4.2.11.1 · source: vendor
CL
Cloudforms · Redhat
4.7; 4.6 · source: NVD
DL
Debian Linux · Debian
8.0 · source: NVD
FE
Fedora · Fedoraproject
30 · source: NVD
LE
Leap · Opensuse
15.0 · source: NVD
RA
Rails · Rubyonrails
3.0.0 before 4.2.11.1; 5.0.0 before 5.0.7.2; 5.1.0 before 5.1.6.2; 5.2.0 before 5.2.2.1 · source: NVD
SC
Software Collections · Redhat
1.0 · source: NVD
RO
Ruby on Rails · Rails
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5418
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5418
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
exploit
https://www.exploit-db.com/exploits/46585/
x_refsource_MISC
http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-Disclosure.html
mailing-list
http://www.openwall.com/lists/oss-security/2019/03/22/1
x_refsource_CONFIRM
https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/
x_refsource_CONFIRM
https://groups.google.com/forum/#%21topic/rubyonrails-security/pFRKI96Sm8Q
mailing-list
https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html