Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2019-5418
Rails Ruby on Rails
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H N N 7.5 .9851 99.9 YES
AFFECTED
Product Versions Fixed
https://github.com/rails/rails 5.2.2.1 – —
TIMELINE
Jan 4 Reserved by hackerone
Mar 27 Published (CNA: hackerone)
Jul 7 Added to CISA KEV, remediation due 2025-07-28
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| January 4, 2019 | Reserved | Reserved by hackerone |
| March 27, 2019 | Published | Published (CNA: hackerone) |
| July 7, 2025 | KEV ADDED | Added to CISA KEV, remediation due 2025-07-28 |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Rails | https://github.com/rails/rails | — | 5.2.2.1 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-5418 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.