CVE-2026-7415 CRITICAL

CVE-2026-7415: Open MQTT orchestration without read/write ACLs in Yarbo robot firmware

Vendor Yarbo
Product Firmware
Weakness CWE-306 · Missing auth
Published May 7, 2026
Last update May 7, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization of any kind.

Key dates

02Disclosure timeline

May 7, 2026 CVE published
May 7, 2026 Record updated