What is CVE-2026-56675?

CVE-2026-56675 is a high-severity vulnerability in Decolua 9router, classified under Improper Authentication. CVSS score: 8.3/10. Published 2026-07-10.

How severe is CVE-2026-56675?

High severity. CVSS v3 base score is 8.3 out of 10.

Auth bypass in Decolua 9router

CVE-2026-56675

9Router is an AI router & token saver. Prior to 0.5.2, 9router treats loopback requests as trusted and allows /v1/* access without an API key, so a same-host reverse proxy that forwards public traffic to the backend through 127.0.0.1 cause…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L.

Affected products

Decolua 9router — versions < 0.5.2

Weakness classification (CWE)

CWE-287 — Improper Authentication
CWE-290 — Authentication Bypass by Spoofing
CWE-306 — Missing Authentication for Critical Function
CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-56675?: CVE-2026-56675 is a high-severity vulnerability in Decolua 9router, classified under Improper Authentication. CVSS score: 8.3/10. Published 2026-07-10.
How severe is CVE-2026-56675?: High severity. CVSS v3 base score is 8.3 out of 10.