High severity · published Aug 5, 2026
CVE-2026-71320
Nuxt: Server-Side Remote Code Execution via Runtime Template Injection in Nuxt Server Island Props
8.1
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NU
nuxt · nuxt
>= 4.0.0, < 4.5.1; >= 3.4.0, < 3.21.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71320
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71320
github.com
https://github.com/nuxt/nuxt/commit/5b60017f7f1d5e9384cadf1d6c580b99d583c418
github.com
https://github.com/nuxt/nuxt/commit/ee6c846338f4eb75801815dda86df1f494725859
github.com
https://github.com/nuxt/nuxt/releases/tag/v3.21.10
github.com
https://github.com/nuxt/nuxt/releases/tag/v4.5.1
github.com
https://github.com/nuxt/nuxt/security/advisories/GHSA-9473-5f9j-94wq
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