onyx

onyx --cves cve-2019-5419

CVE-2019-5419

score
<0.1
cvss
7.5
epss
8.8%
published
2019-03-27
kev added
—
first seen

Action View (Rails) < 5.2.2.1, < 5.1.6.2, < 5.0.7.2, < 4.2.11.1 contains a denial of service caused by specially crafted accept headers, letting the server become unresponsive due to 100% CPU consumption.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

events2019-03-27 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 8.7%2026-09-23: epss 8.7%2026-09-24: epss 8.7%2026-09-25: epss 8.7%2026-09-26: epss 8.7%2026-09-27: epss 8.7%2026-09-28: epss 8.8%2026-09-29: epss 8.8%2026-09-30: epss 8.8%2026-10-01: epss 8.8%2026-10-02: epss 8.8%2026-10-03: epss 8.8%2026-10-04: epss 8.8%2026-10-05: epss 8.8%2026-10-06: epss 8.8%2026-10-07: epss 8.8%2026-10-08: epss 8.8%2026-10-09: epss 8.8%2026-10-10: epss 8.8%2026-10-11: epss 8.8%2026-10-12: epss 8.8%2026-10-13: epss 8.8%2026-10-14: epss 8.8%2026-10-15: epss 8.8%2026-10-16: epss 8.8%2026-10-18: epss 8.8%2026-10-19: epss 8.8%2026-10-20: epss 8.8%2026-10-21: epss 8.8%8.8%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-400 CWE-770

References 12