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    CVE-2026-56675

    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.

    Published:Jul 10, 2026
    Last Modified:Jul 10, 2026
    EPS:Jul 10, 2026
    EPSS Score:
    CVSS Score:8.3

    Affected Products

    Vendor
    Decolua
    Product
    9router

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-114 Authentication Abuse
    CAPEC-115 Authentication Bypass
    CAPEC-12 Choosing Message Identifier
    CAPEC-151 Identity Spoofing
    CAPEC-166 Force the System to Reset Values
    CAPEC-194 Fake the Source of Data
    CAPEC-21 Exploitation of Trusted Identifiers
    CAPEC-216 Communication Channel Manipulation
    CAPEC-219 XML Routing Detour Attacks
    CAPEC-22 Exploiting Trust in Client
    CAPEC-36 Using Unpublished Interfaces or Functionality
    CAPEC-459 Creating a Rogue Certification Authority Certificate
    CAPEC-461 Web Services API Signature Forgery Leveraging Hash Function Extension Weakness
    CAPEC-465 Transparent Proxy Abuse
    CAPEC-473 Signature Spoof
    CAPEC-476 Signature Spoofing by Misrepresentation
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-59 Session Credential Falsification through Prediction
    CAPEC-593 Session Hijacking
    CAPEC-60 Reusing Session IDs (aka Session Replay)
    CAPEC-62 Cross Site Request Forgery
    CAPEC-633 Token Impersonation
    CAPEC-650 Upload a Web Shell to a Web Server
    CAPEC-667 Bluetooth Impersonation AttackS (BIAS)
    CAPEC-94 Adversary in the Middle (AiTM)

    Related CVEs

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    CVE-2026-56677 (CVSS 8.6) — 9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/…
    CVE-2026-63732 (CVSS 9.4) — 9router 0.4.59 (fixed in 0.4.60) contains a chain of vulnerabilities: a hardcoded default password (123456) th…
    CVE-2026-63313 (CVSS 8.3) — 9Router before 0.4.72 contains a server-side request forgery (SSRF) vulnerability in the /v1/web/fetch endpoin…
    CVE-2026-62312 (CVSS 8.8) — 9Router is an AI router & token saver. Prior to 0.5.2, 9Router allows a remote authenticated attacker to achie…
    CVE-2026-56678 (CVSS 6.4) — 9Router is an AI router & token saver. Prior to 0.5.6, the Kiro API-key validation endpoint POST /api/oauth/ki…
    CVE-2026-56679 (CVSS 8.7) — 9Router is an AI router & token saver. Prior to 0.5.4, the PATCH /api/settings endpoint writes the entire requ…
    CVE-2026-49353 (CVSS 7.5) — 9Router is an AI router & token saver. In 0.4.45 and earlier, 9Router's src/dashboardGuard.js local-only acces…
    CVE-2026-49352 (CVSS 9.8) — 9Router is an AI router & token saver. From 0.2.21 until 0.4.44, 9Router used the hardcoded fallback JWT secre…
    CVE-2026-46339 (CVSS 10) — 9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not pro…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High