Vulnerability record · CVE-2023-37478 · published 1 August 2023

CVE-2023-37478: Pnpm improper access control vulnerability

Pnpm · Pnpm

pnpm is a package manager. It is possible to construct a tarball that, when installed via npm or parsed by the registry is safe, but when installed via pnpm is malicious, due to how pnpm parses tar archives. This can result in a package that appears safe on the npm registry or when installed via npm being replaced with a compromised or malicious version when installed via pnpm. This issue has been patched in version(s) 7.33.4 and 8.6.8.

9.8 CVSS 3.1 Critical EPSS 1.2% · top 32.8% CWE-284 · Improper access control

9.8CVSS 3.1 base score

1.2%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References

17 Jun 2026Last modified by NVD

Description

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

Affected products

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

Pnpm Pnpm

References

Link	Tags
https://github.com/pnpm/pnpm/releases/tag/v7.33.4	Release Notes
https://github.com/pnpm/pnpm/releases/tag/v8.6.8	Release Notes
https://github.com/pnpm/pnpm/security/advisories/GHSA-5r98-f33j-g8h7	Vendor Advisory
https://github.com/pnpm/pnpm/releases/tag/v7.33.4	Release Notes
https://github.com/pnpm/pnpm/releases/tag/v8.6.8	Release Notes
https://github.com/pnpm/pnpm/security/advisories/GHSA-5r98-f33j-g8h7	Vendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2023-37478), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.