---
id: CVE-2026-71318
title: Nuxt is an open-source web development framework for Vue.js
summary: >-
  Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until
  3.21.10 and 4.5.1, an attacker can supply a top-level `as` prop to the
  /__nuxt_island/ endpoint and drive dynamic component resolution through
  <component :is>,…
severity: medium
cvss: 4.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-20
vendor: nuxt
product: nuxt
affected:
  - 'nuxt >= 4.0.0, < 4.5.1'
  - 'nuxt >= 3.1.0, < 3.21.10'
patched:
  - nuxt 4.5.1
  - nuxt 3.21.10
published: '2026-08-05'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:51:43.490'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-71318'
references:
  - url: 'https://github.com/nuxt/nuxt/releases/tag/v3.21.10'
    label: security-advisories@github.com
  - url: 'https://github.com/nuxt/nuxt/releases/tag/v4.5.1'
    label: security-advisories@github.com
  - url: 'https://github.com/nuxt/nuxt/security/advisories/GHSA-48hr-524c-v5w3'
    label: security-advisories@github.com
  - url: 'https://github.com/advisories/GHSA-48hr-524c-v5w3'
tags:
  - nvd
  - ghsa
  - npm
epss: 0.00315
epssPercentile: 0.21828
aliases:
  - GHSA-48hr-524c-v5w3
ecosystem: npm
ingestedAt: '2026-08-05T21:52:35.792Z'
---

## Overview

Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until 3.21.10 and 4.5.1, an attacker can supply a top-level `as` prop to the /__nuxt_island/ endpoint and drive dynamic component resolution through <component :is>, resolveDynamicComponent, or h(). This issue is fixed in 3.21.10 and 4.5.1.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2026-71318)

Affected packages:

- `nuxt >= 4.0.0, < 4.5.1`
- `nuxt >= 3.1.0, < 3.21.10`

Patched in:

- `nuxt 4.5.1`
- `nuxt 3.21.10`

Source: https://github.com/advisories/GHSA-48hr-524c-v5w3
