Remote Code Execution Vulnerability in NPM mongo-express
CISA confirms exploitation of this vulnerability in real attacks. Prioritise checking whether your application is affected. CISA KEV · CC0 1.0
Impact
Remote code execution on the host machine by any authenticated user.
Proof Of Concept
Launching mongo-express on a Mac, pasting the following into the "create index" field will pop open the Mac calculator:
this.constructor.constructor("return process")().mainModule.require('child_process').execSync('/Applications/Calculator.app/Contents/MacOS/Calculator')Patches
Users should upgrade to version 0.54.0
Workarounds
Is there a way for users to fix or remediate the vulnerability without upgrading?
For more information
If you have any questions or comments about this advisory:
- Open an issue in example link to repo
- Email us at example email address
Thanks
@JLLeitschuh for finding and reporting this vulnerability
This vulnerability has been exploited in the wild.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | mongo-express | < 0.54.0 | 0.54.0 |
References
- https://github.com/mongo-express/mongo-express/security/advisories/GHSA-h47j-hc6x-h3qq
- https://nvd.nist.gov/vuln/detail/CVE-2019-10758
- https://github.com/mongo-express/mongo-express/pull/522
- https://github.com/mongo-express/mongo-express/commit/7d365141deadbd38fa961cd835ce68eab5731494
- https://github.com/mongo-express/mongo-express/commit/d8c9bda46a204ecba1d35558452685cd0674e6f2
- https://github.com/mongo-express/mongo-express
- https://github.com/mongo-express/mongo-express/blob/ea02b364d43f179f191fc91fb9962efdb0843a8d/lib/bson.js#L60
- https://snyk.io/vuln/SNYK-JS-MONGOEXPRESS-473215
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-10758
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H- Weakness (CWE)
CWE-78, CWE-94- Platform
- npm
- Package
mongo-express- Disclosed
- 30.12.2019
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-h47j-hc6x-h3qq - CC BY 4.0
Vulnerability history: mongo-express
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 12.2019 03.2024
- Without a fix
- 2
- Exploited in attacks
- 1
Severity breakdown
- Critical 1
- High 1
- Medium 2
Disclosures per year
- 2019: 1
- 2020: 0
- 2021: 2
- 2022: 0
- 2023: 0
- 2024: 1
- 2025: 0
- 2026: 0
-
Remote Code Execution Vulnerability in NPM mongo-express this entry
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