CVE-2019-5418
HIGH severity · CVSS 7.5 · Path traversal · actively exploited (CISA KEV)
7.5CVSS HIGH exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2025-07-07. US federal agencies must patch by 2025-07-28.
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)99%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2019/03/22/1 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2019/03/22/1Patch
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.htmlAdvisory
- https://access.redhat.com/errata/RHSA-2019:0796Advisory
- https://access.redhat.com/errata/RHSA-2019:1147Advisory
- https://access.redhat.com/errata/RHSA-2019:1149Advisory
- https://access.redhat.com/errata/RHSA-2019:1289Advisory
- https://groups.google.com/forum/#%21topic/rubyonrails-security/pFRKI96Sm8Q
- http://packetstormsecurity.com/files/152178/Rails-5.2.1-Arbitrary-File-Content-Disclosure.htmlAdvisory