CVE-2026-49352 9Router: Hardcoded Default fallback JWT Secret Allows Authentication Bypass

9Router is an AI router & token saver. From 0.2.21 until 0.4.44, 9Router used the hardcoded fallback JWT secret 9router-default-secret-change-me in src/app/api/auth/login/route.js, src/middleware.js, and later src/lib/auth/dashboardSession.js, allowing attackers to forge an authtoken cookie when...

CVE-2026-49352 9Router: Hardcoded Default fallback JWT Secret Allows Authentication Bypass

9Router is an AI router & token saver. From 0.2.21 until 0.4.44, 9Router used the hardcoded fallback JWT secret 9router-default-secret-change-me in src/app/api/auth/login/route.js, src/middleware.js, and later src/lib/auth/dashboardSession.js, allowing attackers to forge an authtoken cookie when...

CVE-2026-49352

CVE-2026-49352 affects 9router, a Node.js/Next.js AI router. The vulnerability stems from a hardcoded fallback JWT secret, implemented as the public string 9router-default-secret-change-me, used when JWT_SECRET is unset in multiple files. An attacker can forge a valid auth_token cookie and gain a...

CVE-2026-49352 9Router: Hardcoded Default fallback JWT Secret Allows Authentication Bypass

9Router is an AI router & token saver. From 0.2.21 until 0.4.44, 9Router used the hardcoded fallback JWT secret 9router-default-secret-change-me in src/app/api/auth/login/route.js, src/middleware.js, and later src/lib/auth/dashboardSession.js, allowing attackers to forge an authtoken cookie when...

CVE-2026-46339 9Router: Unauthenticated Remote Code Execution via unprotected MCP custom plugin routes

9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/ and /api/mcp/, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP...

EUVD-2026-44808

9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/ and /api/mcp/, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP...

CVE-2026-46339 9Router: Unauthenticated Remote Code Execution via unprotected MCP custom plugin routes

9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/ and /api/mcp/, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP...

CVE-2026-46339

Summary: CVE-2026-46339 affects 9Router, where middleware did not protect /api/cli-tools/* and /api/mcp/* until a fix in 0.4.37. Connected sources describe unauthenticated registration of custom MCP plugins via /api/cli-tools/cowork-settings and command execution through the MCP bridge, enabling ...

9Router - Unauthenticated LLM Provider API Exposure

9Router through version 0.4.41 contains an unauthenticated access vulnerability caused by missing authentication middleware in Next.js API routes under src/app/api/providers/, letting remote attackers enumerate, create, modify, or delete provider connections, exploit requires no authentication. i...

PT-2026-60306

Name of the Vulnerable Software and Affected Versions 9Router versions prior to 0.5.2 Description A remote authenticated attacker can achieve arbitrary code execution on the host operating system. This is possible by combining a Host header bypass of localhost-only routes with unvalidated MCP...

PT-2026-60304

Name of the Vulnerable Software and Affected Versions 9Router versions prior to 0.5.6 Description The Kiro API-key validation endpoint 'POST /api/oauth/kiro/api-key' builds an upstream URL using a user-controlled region value. An authenticated attacker can provide a crafted region to redirect the...

CVE-2026-62328

9Router through version 0.4.41 contain an unauthenticated information disclosure vulnerability that allows remote attackers to access sensitive user data by sending requests to unprotected API endpoints. Attackers can enumerate paginated request logs and retrieve complete AI conversation historie...

CVE-2026-62328 9Router 0.4.41 - Unauthenticated Information Disclosure via API Usage Endpoints

9Router through version 0.4.41 contain an unauthenticated information disclosure vulnerability that allows remote attackers to access sensitive user data by sending requests to unprotected API endpoints. Attackers can enumerate paginated request logs and retrieve complete AI conversation historie...

CVE-2026-62328 9Router 0.4.41 - Unauthenticated Information Disclosure via API Usage Endpoints

9Router through version 0.4.41 contain an unauthenticated information disclosure vulnerability that allows remote attackers to access sensitive user data by sending requests to unprotected API endpoints. Attackers can enumerate paginated request logs and retrieve complete AI conversation historie...

CVE-2026-62328 9Router 0.4.41 - Unauthenticated Information Disclosure via API Usage Endpoints

9Router through version 0.4.41 contain an unauthenticated information disclosure vulnerability that allows remote attackers to access sensitive user data by sending requests to unprotected API endpoints. Attackers can enumerate paginated request logs and retrieve complete AI conversation historie...

CVE-2026-62327

The vulnerability concerns 9Router up to version 0.4.41. An unauthenticated request to the Next.js API route /api/usage/stats is possible due to missing authentication middleware, leading to exposure of plaintext API keys for all connected AI provider accounts, along with token counts, costs and ...

CVE-2026-62327

9Router through version 0.4.41 contains an unauthenticated information disclosure vulnerability that allows remote attackers to retrieve plaintext API keys for all connected AI provider accounts by sending a single unauthenticated request to the /api/usage/stats endpoint. Attackers can exploit th...

Missing Authorization

Overview 9router is a 9Router CLI - Start and manage 9Router server Affected versions of this package are vulnerable to Missing Authorization via the rewrite process for the /codex path. An attacker can gain unauthorized access to backend LLM provider credentials and trigger upstream provider cal...

Improper Authentication

Overview 9router is a 9Router CLI - Start and manage 9Router server Affected versions of this package are vulnerable to Improper Authentication via the dashboardGuard.js process. An attacker can gain unauthorized access to sensitive API endpoints by sending requests through a same-host reverse...

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...