CVE-2026-56301

Nuxt - Arbitrary File Read via World-Connectable vite-node IPC Socket on Linux

MEDIUM
5.5
CVSS Score
Published: June 23, 2026 at 12:13 PM UTC
Updated: June 27, 2026 at 11:42 AM UTC
1 product affected across 1 vendorNuxt

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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 enumerate and connect. Unprivileged co-resident users can exploit the unprotected module request handler to read arbitrary files such as .env and SSH keys through the SSR plugin pipeline. Production builds are unaffected, as the IPC server runs only in development.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.18.0 ≤ v < 3.21.74.0.0 ≤ v < 4.4.73.18.04.0.0
Vendor states this is fixed in 3.21.7 (unaffected)
Vendor states this is fixed in 4.4.7 (unaffected)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-276

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