Vulnerability · Published Aug 5, 2026 · Assigned by GitHub_M

CVE-2026-71320Nuxt: Server-Side Remote Code Execution via Runtime Template Injection in Nuxt Server Island Props

High 8.1

In plain English

A high-severity injection in nuxt from nuxt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.7%top 46.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	nuxt	4.5.1	GHSA-9473-5f9j-94wq
npm	nuxt	3.21.10	GHSA-9473-5f9j-94wq

Affected products (as reported)

Vendor	Product	Versions
nuxt	nuxt	>= 4.0.0, < 4.5.1>= 3.4.0, < 3.21.10

Weakness: CWE-74, CWE-94 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://github.com/nuxt/nuxt/security/advisories/GHSA-9473-5f9j-94wq x_refsource_CONFIRM
https://github.com/nuxt/nuxt/commit/5b60017f7f1d5e9384cadf1d6c580b99d583c418 x_refsource_MISC
https://github.com/nuxt/nuxt/commit/ee6c846338f4eb75801815dda86df1f494725859 x_refsource_MISC
https://github.com/nuxt/nuxt/releases/tag/v3.21.10 x_refsource_MISC
https://github.com/nuxt/nuxt/releases/tag/v4.5.1 x_refsource_MISC