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Critical 9.8Published May 7, 2026

CVE-2026-7415The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs.

Updated under an hour ago ()

Does this affect you?

It affects yarbo lawn_mower_firmware and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-306
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 17, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
yarbo lawn_mower_firmware
yarbo:lawn_mower_firmware
2.3.9
NVD
yarbo lawn_mower_pro_firmware
yarbo:lawn_mower_pro_firmware
2.3.9
NVD

References

  • exploit, third-party-advisory
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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