The use of __proto__ in process.mainModule.__proto__.require() can bypass the policy mechanism and require modules outside of the policy.json definition. This vulnerability affects all users using the experimental policy mechanism in all active release lines: v16, v18 and, v20.

Please note that at the time this CVE was issued, the policy is an experimental feature of Node.js

Related CVEs

CVE-2023-30581

Key Information

GHSA ID

GHSA-86v4-9wq7-fx97

Published

November 23, 2023 12:30 AM

Last Modified

November 30, 2023 3:30 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 6, 2025 6:30 AM

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