CVEs / CVE-2019-10758

CVE-2019-10758: MongoDB mongo-express Remote Code Execution Vulnerability

Known exploited in the CISA KEV catalog since 10 Dec 2021
critical 9.9 CVSS 3.1 (NVD)
EPSS 84.7% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 24 Oct 2026

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Summary

mongo-express before 0.54.0 is vulnerable to Remote Code Execution via endpoints that uses the `toBSON` method.
CISA, Known Exploited Vulnerabilities catalog

Description

mongo-express before 0.54.0 is vulnerable to Remote Code Execution via endpoints that uses the `toBSON` method. A misuse of the `vm` dependency to perform `exec` commands in a non-safe environment.
The CVE record, via NVD · published 24 Dec 2019 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
n/a mongo-express	All versions prior to version 0.54.0	—

As stated by OSV
Product	Affected	Fixed in
mongo-express (npm)	before 0.54.0	0.54.0

Package versions from GHSA-h47j-hc6x-h3qq.

Exploitation

In CISA KEV since	10 Dec 2021
Due date for US federal agencies	10 Jun 2022
Used in ransomware campaigns	Unknown
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	9.9 critical `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-94

References

CVE-2019-10758 on NVD
CVE-2019-10758 in the CISA KEV catalog
CVE-2019-10758 on OSV
https://snyk.io/vuln/SNYK-JS-MONGOEXPRESS-473215 Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10758 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.