CVE-2019-10758Actively exploitedAdded to KEV 2021-12-10

MongoDB mongo-express Remote Code Execution Vulnerability

MongoDB, mongo-express

Description

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

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Critical

84.7%

estimated chance of real-world exploitation in the next 30 days, higher than 99.7% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-06-10

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