CVE-2019-5418
HighActively exploited (CISA 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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Rails Ruby on Rails
PublishedMar 27, 2019
First seenMar 27, 2019
Added to KEVJul 7, 2025
Weakness typeCWE-22Path traversal
How to fix
CISA 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.
CISA due date: Jul 28, 2025Update
- rubyonrails rails4.2.11.1, 5.0.7.2, 5.1.6.2, 5.2.2.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rubyonrails rails | 3.0.0 ≤ v < 4.2.11.1, 5.0.0 ≤ v < 5.0.7.2, 5.1.0 ≤ v < 5.1.6.2, 5.2.0 ≤ v < 5.2.2.1 | 4.2.11.1, 5.0.7.2, 5.1.6.2, 5.2.2.1 |
| debian debian_linux | 8.0 | — |
| redhat cloudforms | 4.7, 4.6 | — |
| opensuse leap | 15.0 | — |
| fedoraproject fedora | 30 | — |
| redhat software_collections | 1.0 | — |
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