CVE-2026-56678CWE-20CWE-918ssrf

CVE-2026-56678

Medium · published July 16, 2026

CVSS v3.1
6.4
EPSS
0%
Percentile
21.0
In the wild
Unconfirmed
What it is

9Router is an AI router & token saver. Prior to 0.5.6, the Kiro API-key validation endpoint POST /api/oauth/kiro/api-key builds an upstream URL using a user-controlled region value, allowing an authenticated attacker to supply a crafted region such as kiro-canary.local:8443# and cause 9Router to send the Kiro validation request to an attacker-controlled host while forwarding the submitted Kiro API key as an Authorization header. This issue is fixed in version 0.5.6.

The record
Technical detail
CVSS v3.1
6.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00294 · 21.0th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-07-16T01:16Z
References (4)
https://github.com/decolua/9router/commit/126aa244c5b51b74ab8c7594e3418fcf4437bf6f · [email protected]https://github.com/decolua/9router/releases/tag/v0.5.6 · [email protected]https://github.com/decolua/9router/security/advisories/GHSA-6mwv-4mrm-5p3m · [email protected]https://github.com/decolua/9router/security/advisories/GHSA-6mwv-4mrm-5p3m · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 15 JUL 20:51Z
    9Router: Kiro region injection allows authenticated SSRF with Authorization header forwarding
    cvelistv5