Server-side Request Forgery (SSRF) Affecting 9router package, versions <0.5.8


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (7th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Server-side Request Forgery (SSRF) vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-JS-9ROUTER-17987658
  • published16 Jul 2026
  • disclosed15 Jul 2026
  • creditUnknown

Introduced: 15 Jul 2026

NewCVE-2026-56678  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade 9router to version 0.5.8 or higher.

Overview

9router is a 9Router CLI - Start and manage 9Router server

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the region parameter in the POST /api/oauth/kiro/api-key endpoint. An attacker can cause requests to be sent to arbitrary hosts with sensitive Authorization headers by supplying crafted input.

CVSS Base Scores

version 4.0
version 3.1