Affected versions of `datachannel-client` 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

No patch is available for this vulnerability.

It is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.

Affected Packages

npm datachannel-client

Affected versions: 0 (last affected: 1.0.2)

Related CVEs

CVE-2017-16121

Key Information

GHSA ID

GHSA-jpg7-6c9f-7q54

Published

July 23, 2018 11:15 PM

Last Modified

September 14, 2023 5:57 PM

CVSS Score

7.5 /10

Primary Ecosystem

npm

Primary Package

datachannel-client

GitHub Reviewed

✓ Yes

Dataset

Last updated: July 4, 2025 6:17 AM

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