Affected versions of `pooledwebsocket` resolve relative file paths, resulting in a directory traversal vulnerability. A malicious actor can use this vulnerability to access files outside of the intended directory root, which may result in the disclosure of private files on the vulnerable system.

**Example request:**
```http
GET /../../../../../../../../../../etc/passwd HTTP/1.1
host:foo
```

## Recommendation

Update to version 0.0.19 or later.

Affected Packages

npm pooledwebsocket

Affected versions: 0 (fixed in 0.0.19)

Related CVEs

CVE-2017-16107

Key Information

GHSA ID

GHSA-cfxm-4p54-5w7h

Published

July 24, 2018 12:20 AM

Last Modified

September 13, 2023 11:04 PM

CVSS Score

7.5 /10

Primary Ecosystem

npm

Primary Package

pooledwebsocket

GitHub Reviewed

✓ Yes

Dataset

Last updated: August 30, 2025 6:32 AM

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