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CVE-2026-71315— Nuxt route rules silently dropped for mixed-case paths, bypassing appMiddleware auth gates (incomplete fix for CVE-2026-53721)

CVSS 8.2 · High

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-71315

Vulnerability Information
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Vulnerability Title
Nuxt route rules silently dropped for mixed-case paths, bypassing appMiddleware auth gates (incomplete fix for CVE-2026-53721)
Source: CVE Program / CVE List V5
Vulnerability Description
Nuxt is an open-source web development framework for Vue.js. From 3.21.7 until 3.21.10 and 4.5.1, mixed-case routeRules keys can fail to match case-folded lookups when router.options.sensitive is false and drop appMiddleware authorization gates. This is caused by an incomplete fix for CVE-2026-53721. 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:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
大小写敏感处理不恰当
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
nuxtnuxt >= 4.4.7, < 4.5.1 -

II. Public POCs for CVE-2026-71315

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7624 chars
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III. Intelligence Information for CVE-2026-71315

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Patches & Fixes for CVE-2026-71315 (2)

Vendor Advisories for CVE-2026-71315 (1)

Vendor Pages for CVE-2026-71315 (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-2026-713208.1 HIGHNuxt: Server-Side Remote Code Execution via Runtime Template Injection in Nuxt Server Isla
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-178

V. Comments for CVE-2026-71315

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