---
id: CVE-2024-53866
title: >-
  The package manager pnpm prior to version 9.15.0 seems to mishandle overrides
  and global cache: Overrides from one workspace leak into npm metadata saved in
  global cache; npm metadata from global cache affects other workspaces; and
  insta…
summary: >-
  The package manager pnpm prior to version 9.15.0 seems to mishandle overrides
  and global cache: Overrides from one workspace leak into npm metadata saved in
  global cache; npm metadata from global cache affects other workspaces; and
  insta…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-426
published: '2024-12-10'
updated: '2026-06-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-53866'
references:
  - url: >-
      https://github.com/pnpm/pnpm/commit/11afcddea48f25ed5117a87dc1780a55222b9743
    label: security-advisories@github.com
  - url: 'https://github.com/pnpm/pnpm/security/advisories/GHSA-vm32-9rqf-rh3r'
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00977
epssPercentile: 0.60571
ingestedAt: '2026-06-29T13:24:33.974Z'
---

## Overview

The package manager pnpm prior to version 9.15.0 seems to mishandle overrides and global cache: Overrides from one workspace leak into npm metadata saved in global cache; npm metadata from global cache affects other workspaces; and installs by default don't revalidate the data (including on first lockfile generation). This can make workspace A (even running with `ignore-scripts=true`) posion global cache and execute scripts in workspace B. Users generally expect `ignore-scripts` to be sufficient to prevent immediate code execution on install (e.g. when the tree is just repacked/bundled without executing it). Here, that expectation is broken. Global state integrity is lost via operations that one would expect to be secure, enabling subsequently running arbitrary code execution on installs. Version 9.15.0 fixes the issue. As a work-around, use separate cache and store dirs in each workspace.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.