Vulnerabilities CVE-2026-49352

CVE-2026-49352

Critical

Open

TLP:CLEAR

9Router: Hardcoded Default fallback JWT Secret Allows Authentication Bypass

NVD CVE.org

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Description

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 auth_token cookie when JWT_SECRET was unset. This issue is fixed in version 0.4.44

Details

CVSS Score: 9.8
EPSS Score ⓘ: 0.44%

36.4th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Jul 15, 2026
Last Modified: Jul 16, 2026

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