What is CVE-2026-23890?

CVE-2026-23890 is a medium-severity vulnerability in Pnpm, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2026-01-26.

How severe is CVE-2026-23890?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Pnpm

CVE-2026-23890

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 `@` bypa…

EPSS: 0.004 (35.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Pnpm — versions < 10.28.1

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-23890?: CVE-2026-23890 is a medium-severity vulnerability in Pnpm, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2026-01-26.
How severe is CVE-2026-23890?: Medium severity. CVSS v3 base score is 6.5 out of 10.