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.

References

https://github.com/nuxt/nuxt/security/advisories/GHSA-9473-5f9j-94wq

https://github.com/nuxt/nuxt/releases/tag/v4.5.1

https://github.com/nuxt/nuxt/releases/tag/v3.21.10

https://github.com/nuxt/nuxt/commit/ee6c846338f4eb75801815dda86df1f494725859

https://github.com/nuxt/nuxt/commit/5b60017f7f1d5e9384cadf1d6c580b99d583c418

Details

Source: Mitre, NVD

Published: 2026-08-05

Updated: 2026-08-05

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High