What is CVE-2026-56301?

CVE-2026-56301 is a medium-severity vulnerability in Nuxt, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2026-06-23.

How severe is CVE-2026-56301?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Nuxt

CVE-2026-56301

Nuxt 4.0.0 before 4.4.7 and 3.18.0 before 3.21.7, when running the development server (nuxt dev) on Linux, binds the vite-node IPC server to an abstract-namespace Unix socket without permission restrictions, allowing local users to enumera…

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Nuxt — versions 4.0.0, 4.4.7, 3.18.0

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56301?: CVE-2026-56301 is a medium-severity vulnerability in Nuxt, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2026-06-23.
How severe is CVE-2026-56301?: Medium severity. CVSS v3 base score is 5.5 out of 10.