onyx

onyx --cves cve-2026-84963

CVE-2026-84963

MEDMongoDB
score
0.2
cvss
5.3
epss
0.3%
published
2026-09-03
kev added
—
first seen

MongoDB C Driver BSON library contains a data tampering vulnerability caused by incorrect numeric conversion in JSON parsing, letting unauthenticated attackers cause silent data alteration, exploit requires attacker to supply crafted input.

Timeline

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

events2026-09-03 — PublishedP2026-10-21 — Tracked by OnyxTscore2026-10-21: score 0.20.2epss2026-09-22: epss 0.2%2026-09-23: epss 0.2%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-681

References 1