CVE-2019-5418
High 7.5 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Rails Ruby on Rails Path Traversal Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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.
Metrics
- CVSS 3.1
-
7.5 (HIGH)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 99% (percentile: 100) as of 2 November 2026
- CWE
- CWE-22
Affected products
rubyonrails: rails; debian: debian linux; redhat: cloudforms; opensuse: leap; fedoraproject: fedora; redhat: software collections
References
- https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-releas… Broken LinkPatchVendor Advisory
- https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-releas… Broken LinkPatchVendor Advisory
- https://web.archive.org/web/20190313201629/https://weblog.rubyonrails.org/2019/… PatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2019/03/22/1 Mailing ListMitigationPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/03/22/1 Mailing ListMitigationPatchThird Party Advisory
- http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-… ExploitThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/46585/ ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-… ExploitThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/46585/ ExploitThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html Mailing ListThird Party Advisory