CVE-2026-71318
Nuxt: Unauthorized Component Instantiation via Server Island Props
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-20 |
| Vendor | nuxt |
| Product | nuxt |
| Published | Aug 5, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
nuxt / nuxt
>= 4.0.0, < 4.5.1 >= 3.1.0, < 3.21.10