CVE-2026-71318: Nuxt

Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Nuxt Nuxt: from 4.0.0, before 4.5.1 (fixed in 4.5.1); from 3.1.0, before 3.21.10 (fixed in 3.21.10)

Published 2026-08-05. Last modified 2026-09-08.