Vulnerability in 9Router AI Router from Decolua
CVE-2026-49352

9.8CRITICAL

Key Information:

Vendor

Decolua

Status
9router
Vendor
CVE Published:
15 July 2026

What is CVE-2026-49352?

The 9Router AI router has a significant security flaw due to a hardcoded fallback JWT secret, allowing attackers to forge authentication token cookies when the JWT_SECRET variable remains unset. This vulnerability affects versions 0.2.21 through 0.4.44. It is crucial that users update to version 0.4.44 or later to mitigate the risk associated with this issue.

Affected Version(s)

9router >= 0.2.21, < 0.4.44

References

https://github.com/decolua/9router/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/decolua/9router/commit/fe3ce25ae3cda48...
x_refsource_MISC
https://github.com/decolua/9router/releases/tag/v0.4.44
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.