onyx

onyx --cves cve-2019-10758

CVE-2019-10758

score
<0.1
cvss
—
epss
84.7%
published
—
kev added
2021-12-10
first seen

mongo-express before 0.54.0 is vulnerable to Remote Code Execution via endpoints that uses the `toBSON` method.

Timeline

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

events2021-12-10 — Added to CISA KEVK2026-10-21 — Tracked by OnyxT2026-10-21 (seen by) — Nuclei template: mongo-express Remote Code ExecutionNscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 84.7%2026-09-23: epss 84.7%2026-09-24: epss 84.7%2026-09-25: epss 84.7%2026-09-26: epss 84.7%2026-09-27: epss 84.7%2026-09-28: epss 84.7%2026-09-29: epss 84.7%2026-09-30: epss 84.7%2026-10-01: epss 84.7%2026-10-02: epss 84.7%2026-10-03: epss 84.7%2026-10-04: epss 84.7%2026-10-05: epss 84.7%2026-10-06: epss 84.7%2026-10-07: epss 84.7%2026-10-08: epss 84.7%2026-10-09: epss 84.7%2026-10-10: epss 84.7%2026-10-11: epss 84.7%2026-10-12: epss 84.7%2026-10-13: epss 84.7%2026-10-14: epss 84.7%2026-10-15: epss 84.7%2026-10-16: epss 84.7%2026-10-18: epss 84.7%2026-10-19: epss 84.7%2026-10-20: epss 84.7%2026-10-21: epss 84.7%84.7%mentions/day0no mentions in 30 days2026-09-22today
  1. Added to CISA KEV
  2. Tracked by Onyx
  3. Nuclei template mongo-express Remote Code Execution

Nuclei template

A verified check exists — you can scan for this today, and so can everyone else.

template
mongo-express Remote Code Execution
severity
CRIT
first seen
nuclei -id CVE-2019-10758 -u https://target.example

References 1