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CVE-2026-23890
Good to know:
Date: January 26, 2026
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.
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Relative Path Traversal
CWE-23Top Fix
Upgrade Version
Upgrade to version pnpm - 10.28.1;https://github.com/pnpm/pnpm.git - v10.28.1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | HIGH |
| Availability (A): | NONE |