A vulnerability was found in QuantumNous new-api up to 0.12.1. It has been declared as problematic. 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.

This vulnerability is uniquely identified as CVE-2026-9306. The attack can be launched remotely. Moreover, an exploit is present.

The vendor was contacted early about this disclosure but did not respond in any way.