HarborGuard / CVE
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CRITICALCVE-2026-7415Published Modified CNA AHA

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

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.

Metrics

CVSS v3.1
9.8
Severity
CRITICAL
Fixed in
Affected Products
1
Affected packages
  • Yarbo / Firmware
    ≤ 2.3.9
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H