CVE-2026-71320

EUVD-2026-53649
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.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/nuxt/nuxt/commit/5b60017f7f1d5e9384cadf1d6c580b99d583c418
https://github.com/nuxt/nuxt/commit/ee6c846338f4eb75801815dda86df1f494725859
https://github.com/nuxt/nuxt/releases/tag/v3.21.10
https://github.com/nuxt/nuxt/releases/tag/v4.5.1
https://github.com/nuxt/nuxt/security/advisories/GHSA-9473-5f9j-94wq