CVE-2026-7415

critical · 9.8

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.

9.8

CVSS

0.5%

EPSS (exploit prob.)

45th

EPSS percentile

2026-05-07

Published

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

Weaknesses

CWE-306

Affected products

Vendor	Product	Affected versions
yarbo	lawn_mower_firmware	2.3.9
yarbo	lawn_mower	all versions
yarbo	lawn_mower_pro_firmware	2.3.9
yarbo	lawn_mower_pro	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/Bin4ry/yarbo-nat-in-my-back-yard
https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001
https://github.com/Bin4ry/yarbo-nat-in-my-back-yard

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-7415