onyx

onyx --cves cve-2026-100409

CVE-2026-100409

score
0.7
cvss
7.5
epss
0.3%
published
2026-10-15
kev added
—
first seen

OpenNext Cloudflare 0.3.0 to 1.20.2 contains an authorization bypass caused by inconsistent processing of encoded pathnames between middleware and cache lookup, letting unauthenticated attackers access cached protected content, exploit requires enabled cache interception and matching cached protected routes.

Timeline

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

events2026-10-15 — PublishedP2026-10-21 (seen by) — Tracked by OnyxTscore2026-10-21: score 0.70.7epss2026-10-16: epss 0.3%2026-10-18: epss 0.3%2026-10-19: epss 0.3%2026-10-20: epss 0.3%2026-10-21: epss 0.3%0.3%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx

Weaknesses

CWE-177

References 5