CVE-2026-71320
HIGHNuxt: Server-Side Remote Code Execution via Runtime Template Injection in Nuxt Server Island Props
Title source: cnaDescription
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 (5)
Core 5
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/nuxt/nuxt/security/advisories/GHSA-9473-5f9j-94wq
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/commit/5b60017f7f1d5e9384cadf1d6c580b99d583c418
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/commit/ee6c846338f4eb75801815dda86df1f494725859
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/releases/tag/v3.21.10
X_Refsource_Misc x_refsource_misc
https://github.com/nuxt/nuxt/releases/tag/v4.5.1
Scores
CVSS v3
8.1
EPSS
0.0044
EPSS Percentile
36.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-74
CWE-94
Status
published
Products (4)
npm/nuxt
3.4.0 - 3.21.10npm
npm/nuxt
4.0.0 - 4.5.1npm
nuxt/nuxt
>= 3.4.0, < 3.21.10
nuxt/nuxt
>= 4.0.0, < 4.5.1
Published
Aug 05, 2026
Tracked Since
Aug 06, 2026