CVE-2026-49352

FAUCET Score

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

First published: Jul 15, 2026Last modified: Jul 15, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
Decolua	9router	>= 0.2.21, < 0.4.44CNA affected

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.44%

Probability of exploitation in next 30 days

EPSS Percentile

35.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0044 is in the 13th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa

Product: 9routerFixed in: 0.4.45

Vendor Advisories (1)

npmGHSA-jphh-m39h-6gwxcritical

9router's Hardcoded Default fallback JWT Secret Allows Authentication Bypass

Jul 2, 2026

References

github.com / decolua/9router/commit/fe3ce25ae3cda48c0702c2d452e17f6ec214009d

github.com / decolua/9router/releases/tag/v0.4.44

github.com / decolua/9router/security/advisories/GHSA-jphh-m39h-6gwx