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GHSA-5mhv-9qw8-j63g

GitHub Security Advisory

mssql.js is malware

✓ GitHub Reviewed HIGH Has CVE

Advisory Details

The `mssql.js` package is a piece of malware that steals environment variables and sends them to attacker controlled locations.

All versions have been unpublished from the npm registry.

## Recommendation

As this package is malware, if you find it installed in your environment, the real security concern is determining how it got there.

If you have found this installed in your environment, you should:
1. Delete the package
2. Clear your npm cache
3. Ensure it is not present in any other package.json files on your system
4. Regenerate your registry credentials, tokens, and any other sensitive credentials that may have been present in your environment variables.

Additionally, any service which may have been exposed via credentials in your environment variables, such as a database, should be reviewed for indicators of compromise as well.

Affected Packages

npm mssql.js
Affected versions: 0 (last affected: 1.0.2)

Related CVEs

Key Information

GHSA ID
GHSA-5mhv-9qw8-j63g
Published
November 9, 2018 5:43 PM
Last Modified
September 11, 2023 4:18 PM
CVSS Score
7.5 /10
Primary Ecosystem
npm
Primary Package
mssql.js
GitHub Reviewed
✓ Yes

Dataset

Last updated: July 3, 2025 6:26 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.