Is CVE-2023-37478 actively exploited?

No active exploitation of CVE-2023-37478 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-37478 be exploited remotely?

Yes. CVE-2023-37478 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-37478?

CVE-2023-37478 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2023-37478

CRITICAL

CVE-2023-37478

CWE-284Published: August 1, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-37478 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.