Relative Path Traversal Affecting @pnpm/package-bins package, versions <1000.0.16
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-PNPMPACKAGEBINS-15103738
- published27 Jan 2026
- disclosed26 Jan 2026
- creditmldangelo
Introduced: 26 Jan 2026
CVE-2026-23890 (opens in a new tab)How to fix?
Upgrade @pnpm/package-bins to version 1000.0.16 or higher.
Overview
@pnpm/package-bins is a that returns bins of a package.
Affected versions of this package are vulnerable to Relative Path Traversal via the commandsFromBin function when performing bin name validation and normalization. An attacker can create or overwrite arbitrary files outside the intended directory by crafting malicious package bin names containing path traversal sequences.
Note: Exploitation requires the attacker to publish and convince the user to install a malicious package.