CVE-2026-71320

High

Description

Nuxt is an open-source web development framework for Vue.js. From 3.4.0 until 3.21.10 and 4.5.1, an attacker can inject a template key through /__nuxt_island/ props into a dynamic component when `vue.runtimeCompiler: true` is enabled, causing template execution in the Nitro process. This issue is fixed in 3.21.10 and 4.5.1.

SeverityHigh
CVSS8.1
Exploit probability—
ProductNuxt
PublishedAug 5, 2026
First seenAug 5, 2026

How to fix

Update
  • nuxt4.5.1, 3.21.10 or later

Affected products

ProductAffected versionsFixed in
nuxtnpm4.0.0 ≤ v < 4.5.1, 3.4.0 ≤ v < 3.21.104.5.1, 3.21.10

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