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

CVSS 8.1 · High

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-71320

Vulnerability Information
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Vulnerability Title
Nuxt: Server-Side Remote Code Execution via Runtime Template Injection in Nuxt Server Island Props
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
nuxtnuxt >= 4.0.0, < 4.5.1 -

II. Public POCs for CVE-2026-71320

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8940 chars
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III. Intelligence Information for CVE-2026-71320

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Patches & Fixes for CVE-2026-71320 (2)

Vendor Advisories for CVE-2026-71320 (1)

Vendor Pages for CVE-2026-71320 (2)

Same Patch Batch · nuxt · 2026-08-05 · 7 CVEs total

CVE-2026-713199.6 CRITICALNuxt.js Unauthenticated WebSocket RPC Call Leading to Remote Code Execution
CVE-2026-713158.2 HIGHNuxt route rules silently dropped for mixed-case paths, bypassing appMiddleware auth gates
CVE-2026-713147.5 HIGHNuxt: Unauthenticated out-of-memory crash via unbounded v-for expansion in island renderin
CVE-2026-713167.5 HIGHNuxt runtime payload cache discloses another user's SSR data across users and to unauthent
CVE-2026-713217.5 HIGHNuxt: Unauthenticated CPU exhaustion parsing and hashing the Nuxt island endpoint body bef
CVE-2026-713184.8 MEDIUMNuxt: Unauthorized Component Instantiation via Server Island Props

IV. Related Vulnerabilities

Same product: nuxt
Same vendor: nuxt
Same weakness: CWE-74

V. Comments for CVE-2026-71320

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