onyx

onyx --cves cve-2026-33810

CVE-2026-33810

HIGHGo
score
<0.1
cvss
8.2
epss
0.3%
published
2026-04-08
kev added
—
first seen

Certificate chain verification in affected software contains a validation bypass caused by incorrect application of excluded DNS constraints to wildcard DNS SANs with different case, letting attackers bypass DNS constraints, exploit requires trusted certificate chains.

Timeline

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

events2026-04-08 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 0.3%2026-09-23: epss 0.3%2026-09-24: epss 0.3%2026-09-25: epss 0.3%2026-09-26: epss 0.3%2026-09-27: epss 0.3%2026-09-29: epss 0.3%2026-09-30: epss 0.3%2026-10-01: epss 0.3%2026-10-02: epss 0.3%2026-10-03: epss 0.3%2026-10-04: epss 0.3%2026-10-05: epss 0.3%2026-10-06: epss 0.3%2026-10-07: epss 0.3%2026-10-08: epss 0.3%2026-10-09: epss 0.3%2026-10-10: epss 0.3%2026-10-11: epss 0.3%2026-10-12: epss 0.3%2026-10-13: epss 0.3%2026-10-14: epss 0.3%2026-10-15: epss 0.3%2026-10-16: 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-295 CWE-1289

References 87

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