Security Advisory

CVE-2026-23890

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-01-26 21:53:40

Last updated 2026-01-27 21:39:57

Assigner GitHub_M

CVSS score 6.5

State PUBLISHED

Description

pnpm is a package manager. Prior to version 10.28.1, a path traversal vulnerability in pnpm's bin linking allows malicious npm packages to create executable shims or symlinks outside of `node_modules/.bin`. Bin names starting with `@` bypass validation, and after scope normalization, path traversal sequences like `../../` remain intact. This issue affects all pnpm users who install npm packages and CI/CD pipelines using pnpm. It can lead to overwriting config files, scripts, or other sensitive files. Version 10.28.1 contains a patch.

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