onyx

onyx --cves cve-2022-35256

CVE-2022-35256

MEDPOCNode.js
score
<0.1
cvss
6.5
epss
2.8%
published
2022-12-05
kev added
—
first seen

Node.js v18.7.0 contains a header parsing vulnerability in the llhttp parser within the http module caused by improper handling of header fields not terminated with CRLF, letting attackers perform HTTP Request Smuggling, exploit requires sending malformed headers.

Timeline

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

events2022-12-05 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 2.7%2026-09-23: epss 2.7%2026-09-24: epss 2.7%2026-09-25: epss 2.7%2026-09-26: epss 2.7%2026-09-27: epss 2.7%2026-09-28: epss 2.7%2026-09-29: epss 2.7%2026-09-30: epss 2.7%2026-10-01: epss 2.7%2026-10-02: epss 2.7%2026-10-03: epss 2.7%2026-10-04: epss 2.7%2026-10-05: epss 2.8%2026-10-06: epss 2.8%2026-10-07: epss 2.8%2026-10-08: epss 2.8%2026-10-09: epss 2.8%2026-10-10: epss 2.8%2026-10-11: epss 2.8%2026-10-12: epss 2.8%2026-10-13: epss 2.8%2026-10-14: epss 2.8%2026-10-15: epss 2.8%2026-10-16: epss 2.8%2026-10-18: epss 2.8%2026-10-19: epss 2.8%2026-10-20: epss 2.8%2026-10-21: epss 2.8%2.8%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-444

References 3