CVE-2026-9306 MEDIUM

CVE-2026-9306: QuantumNous new-api Midjourney Image Relay Endpoint relay-router.go GetByOnlyMJId authorization

Vendor Quantumnous
Product new-api
Weakness CWE-639 · IDOR
Published May 23, 2026
Last update May 26, 2026

CVSS base score

6.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security vulnerability has been detected in QuantumNous new-api up to 0.12.1. This affects the function RelayMidjourneyImage/GetByOnlyMJId of the file router/relay-router.go of the component Midjourney Image Relay Endpoint. Such manipulation leads to authorization bypass. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is reported as difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

02Disclosure timeline

May 23, 2026 CVE published
May 26, 2026 Record updated