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Vulnerability record · CVE-2023-30581 · published 23 November 2023

CVE-2023-30581: Nodejs node.js missing authorization vulnerability

Nodejs · Node.Js

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

7.5 CVSS 3.1 High EPSS 1.1% · top 37.1% CWE-862 · Missing authorization
7.5CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://nodejs.org/en/blog/vulnerability/june-2023-security-releases Release Notes
https://nodejs.org/en/blog/vulnerability/june-2023-security-releases Release Notes
https://security.netapp.com/advisory/ntap-20241101-0011/

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-30581), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.