---
title: "CVE-2026-101044: pnpm - Path Traversal"
description: "pnpm versions >=12.0.0-alpha.0 and <12.0.0-alpha.5 contain a path traversal vulnerability caused by unvalidated dependency alias/name paths from lockfiles, letting attackers create symlinks outside intended directories during install, exploit requires attacker-supplied lockfile with --trust-lockfile or frozen lockfile."
url: https://panop.io/threat-heartbeat/CVE-2026-101044/
---

# CVE-2026-101044 pnpm - Path Traversal

pnpm versions >=12.0.0-alpha.0 and <12.0.0-alpha.5 contain a path traversal vulnerability caused by unvalidated dependency alias/name paths from lockfiles, letting attackers create symlinks outside intended directories during install, exploit requires attacker-supplied lockfile with --trust-lockfile or frozen lockfile.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.26% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-101044)

## Details

Type

Path Traversal

Impact

File System Write

CVSS vector

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

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 12.0.0-alpha.5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-101044](https://nvd.nist.gov/vuln/detail/CVE-2026-101044)
- [https://github.com/pnpm/pnpm/security/advisories/GHSA-2rx9-3g3h-c2jv](https://github.com/pnpm/pnpm/security/advisories/GHSA-2rx9-3g3h-c2jv)
- [https://www.vulncheck.com/advisories/pacquet-before-12.0.0-alpha.5-path-traversal-via-lockfile-alias](https://www.vulncheck.com/advisories/pacquet-before-12.0.0-alpha.5-path-traversal-via-lockfile-alias)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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