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PUBLISHED

2026-08-05 21:16

MODIFIED

2026-08-05 21:16

CVSS_SCORE V3

8.2

EPSS (Prob. Exploit)

0.47%

Top 59.7%

DATA SOURCES:

NVD 🔗 2026-08-05 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-10-29 OSV 🔗 2026-11-02

> 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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EXPLOITABILITY

3.9

IMPACT

4.2

> MÉTRIQUES CVSS DÉTAILLÉES

                CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
            

Métrique	Valeur	Interprétation
AV (Vecteur d'Attaque) Attack Vector	Network (N)	Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque) Attack Complexity	Low (L)	Peu de conditions requises pour exploiter
PR (Privilèges Requis) Privileges Required	None (N)	Aucune authentification requise
UI (Interaction Utilisateur) User Interaction	None (N)	Aucune interaction utilisateur nécessaire
S (Périmètre) Scope	Unchanged (U)	Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité) Confidentiality Impact	High (H)	Divulgation totale d'informations
I (Impact Intégrité) Integrity Impact	Low (L)	Modification limitée des données possible
A (Impact Disponibilité) Availability Impact	None (N)	Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité

High

Divulgation totale d'informations

Intégrité

Low

Modification limitée des données possible

Disponibilité

None

Aucune interruption de service

> WEAKNESSES

CWE-178 CWE-863

> CWE DETAILED DESCRIPTIONS

CWE-178: Improper Handling of Case Sensitivity - The product does not properly account for differences in case sensitivity when accessing or determining the properties of a resource, leading to inconsistent results. | CWE-863: Incorrect Authorization - The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

> GITHUB SECURITY ADVISORY

GHSA-hxvh-4h3w-prp9 HIGH

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

AFFECTED PACKAGES:

NPM / nuxt

>= 3.21.7, < 3.21.10

Fixed in: 3.21.10

NPM / nuxt

>= 4.4.7, < 4.5.1

Fixed in: 4.5.1

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

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

AFFECTED PACKAGES:

Unknown / Unknown

6 versions affected

ALIASES:

GHSA-hxvh-4h3w-prp9

> HISTORIQUE DES MODIFICATIONS

Première apparition

05/08/2026 21:16

Source: NVD

📊 ENRICHISSEMENT 01/09/2026 06:02

CWE

Champ modifié: Description CWE

Ancienne valeur:

N/A

Nouvelle valeur:

Total des modifications: 1 Dernière mise à jour: 2 months ago

> REFERENCES

https://github.com/nuxt/nuxt/commit/619963309e082190bac4a26b05f2dd155b039b81

https://github.com/nuxt/nuxt/commit/ad624a75ad2d215f43633f6b40be346a7194d34d

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-hxvh-4h3w-prp9