onyx

onyx --cves cve-2025-4366

CVE-2025-4366

MEDCloudflare
score
<0.1
cvss
6.1
epss
0.5%
published
2025-05-22
kev added
—
first seen

Cloudflare Pingora proxying framework contains an HTTP request smuggling vulnerability caused by manipulated request bodies on cache HITs, letting attackers execute unauthorized requests and poison cache, exploit requires use of pingora-proxy with caching enabled.

Timeline

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

events2025-05-22 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.5%2026-09-23: epss 0.5%2026-09-24: epss 0.5%2026-09-25: epss 0.5%2026-09-26: epss 0.5%2026-09-27: epss 0.5%2026-09-29: epss 0.5%2026-09-30: epss 0.5%2026-10-01: epss 0.5%2026-10-02: epss 0.5%2026-10-03: epss 0.5%2026-10-04: epss 0.5%2026-10-05: epss 0.5%2026-10-06: epss 0.5%2026-10-07: epss 0.5%2026-10-08: epss 0.5%2026-10-09: epss 0.5%2026-10-10: epss 0.5%2026-10-11: epss 0.5%2026-10-12: epss 0.5%2026-10-13: epss 0.5%2026-10-14: epss 0.5%2026-10-15: epss 0.5%2026-10-16: epss 0.5%2026-10-18: epss 0.5%2026-10-19: epss 0.5%2026-10-20: epss 0.5%2026-10-21: epss 0.5%0.5%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-444

References 1