CVE-2026-23890

Name: CVE-2026-23890
Creator: NVD / NIST
Published: 2026-01-26T22:15:56.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2026-23890 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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`. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.44%

35.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-23

Affected Software

Vendor	Product	Versions
Pnpm	Pnpm	< 10.28.1

References

https://github.com/pnpm/pnpm/commit/8afbb1598445d37985d91fda18abb4795ae5062dPatch
https://github.com/pnpm/pnpm/releases/tag/v10.28.1Release Notes
https://github.com/pnpm/pnpm/security/advisories/GHSA-xpqm-wm3m-f34hExploit, Vendor Advisory

Timeline

Published: Jan 26, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-23890?

How severe is CVE-2026-23890?

CVE-2026-23890 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2026-23890?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-23890?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST