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PUBLISHED

2026-07-10 17:17

MODIFIED

2026-07-10 17:35

CVSS_SCORE V3

8.3

EPSS (Prob. Exploit)

0.50%

Top 57.1%

DATA SOURCES:

NVD 🔗 2026-07-10 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-11-05 OSV 🔗 2026-07-16

> DESCRIPTION

9Router is an AI router & token saver. Prior to 0.5.2, 9router treats loopback requests as trusted and allows /v1/* access without an API key, so a same-host reverse proxy that forwards public traffic to the backend through 127.0.0.1 causes src/dashboardGuard.js to misclassify external requests as local. A remote unauthenticated attacker can access /v1 APIs such as /v1/models and may abuse configured upstream provider credentials through /v1 proxy endpoints depending on enabled providers. This issue is fixed in version 0.5.2.

> 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:C/C:L/I:L/A:L

EXPLOITABILITY

3.9

IMPACT

3.7

> MÉTRIQUES CVSS DÉTAILLÉES

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

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	Changed (C)	Impact s'étend au-delà du composant compromis
C (Impact Confidentialité) Confidentiality Impact	Low (L)	Divulgation limitée d'informations
I (Impact Intégrité) Integrity Impact	Low (L)	Modification limitée des données possible
A (Impact Disponibilité) Availability Impact	Low (L)	Interruption partielle du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité

Low

Divulgation limitée d'informations

Intégrité

Low

Modification limitée des données possible

Disponibilité

Low

Interruption partielle du service possible

> WEAKNESSES

CWE-287 CWE-290 CWE-306 CWE-441

> CWE DETAILED DESCRIPTIONS

CWE-287: Improper Authentication - When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. | CWE-290: Authentication Bypass by Spoofing - This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. | CWE-306: Missing Authentication for Critical Functionality - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. | CWE-441: Unintended Proxy or Intermediary - The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere.

> GITHUB SECURITY ADVISORY

GHSA-x5c9-v98j-722r HIGH

9router /v1 APIs has unauthenticated access via reverse proxy locality collapse

AFFECTED PACKAGES:

NPM / 9router

<= 0.4.80

Fixed in: 0.5.2

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

9router: Reverse proxy locality collapse allows unauthenticated access to 9router /v1 APIs

AFFECTED PACKAGES:

Unknown / Unknown

65 versions affected

ALIASES:

GHSA-x5c9-v98j-722r

> HISTORIQUE DES MODIFICATIONS

Première apparition

10/07/2026 17:17

Source: NVD

📊 ENRICHISSEMENT 01/11/2026 06:59

CWE

Champ modifié: Description CWE

Ancienne valeur:

Nouvelle valeur:

📊 ENRICHISSEMENT 01/08/2026 06:01

CWE