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Description

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.

PUBLISHED Reserved 2026-05-22 | Published 2026-05-23 | Updated 2026-05-23 | Assigner VulDB




MEDIUM: 6.3CVSS: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
LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
2.6AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Authorization Bypass

Improper Authorization

Product status

0.12.0
affected

0.12.1
affected

Timeline

2026-05-22:Advisory disclosed
2026-05-22:VulDB entry created
2026-05-22:VulDB entry last update

Credits

Eric-e (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/365253 (VDB-365253 | QuantumNous new-api Midjourney Image Relay Endpoint relay-router.go GetByOnlyMJId authorization) vdb-entry technical-description

vuldb.com/vuln/365253/cti (VDB-365253 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/812196 (Submit #812196 | QuantumNous new-api 0.12.1 Authorization Bypass Through User-Controlled Key (CWE-639)) third-party-advisory

gist.github.com/YLChen-007/13974ead25fc6dac42fd7bac62fbb2df exploit

cve.org (CVE-2026-9306)

nvd.nist.gov (CVE-2026-9306)

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