CVE-2026-7415

Open MQTT orchestration without read/write ACLs in Yarbo robot firmware

Published May 7, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Yarbo lawn Mower
Yarbo lawn Mower Firmware
Yarbo lawn Mower Pro
Yarbo lawn Mower Pro Firmware
CPEs cpe:2.3:h:yarbo:lawn_mower:-:*:*:*:*:*:*:*
cpe:2.3:h:yarbo:lawn_mower_pro:-:*:*:*:*:*:*:*
cpe:2.3:o:yarbo:lawn_mower_firmware:2.3.9:*:*:*:*:*:*:*
cpe:2.3:o:yarbo:lawn_mower_pro_firmware:2.3.9:*:*:*:*:*:*:*
Vendors & Products Yarbo lawn Mower
Yarbo lawn Mower Firmware
Yarbo lawn Mower Pro
Yarbo lawn Mower Pro Firmware
Type Values Removed Values Added
First Time appeared Yarbo
Yarbo firmware
Vendors & Products Yarbo
Yarbo firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Open MQTT orchestration without read/write ACLs in Yarbo robot firmware
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AHA
Published
Updated
May 7, 2026, 5:04 PM
Reserved
Apr 29, 2026, 1:55 PM
Status
Analyzed
Published
May 7, 2026, 5:15 PM
Modified
Oct 26, 2026, 12:10 AM