CVE-2026-7415
Open MQTT orchestration without read/write ACLs in Yarbo robot firmware
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.
INFO
Published Date :
May 7, 2026, 5:15 p.m.
Last Modified :
May 14, 2026, 5:50 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-7415
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 26969f82-7e87-44d8-9cb5-f6fb926ddd43 | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Disable anonymous connections to the MQTT broker.
- Configure topic-level read and write ACLs.
- Implement authentication for all clients.
- Enforce authorization rules for topic access.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-7415.
| URL | Resource |
|---|---|
| https://github.com/Bin4ry/yarbo-nat-in-my-back-yard | Exploit Third Party Advisory |
| https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001 | Third Party Advisory |
| https://github.com/Bin4ry/yarbo-nat-in-my-back-yard | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-7415 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-7415
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-7415 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-7415 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 14, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:yarbo:lawn_mower_firmware:2.3.9:*:*:*:*:*:*:* OR cpe:2.3:h:yarbo:lawn_mower:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:yarbo:lawn_mower_pro_firmware:2.3.9:*:*:*:*:*:*:* OR cpe:2.3:h:yarbo:lawn_mower_pro:-:*:*:*:*:*:*:* Added Reference Type CISA-ADP: https://github.com/Bin4ry/yarbo-nat-in-my-back-yard Types: Exploit, Third Party Advisory Added Reference Type Austin Hackers Anonymous: https://github.com/Bin4ry/yarbo-nat-in-my-back-yard Types: Exploit, Third Party Advisory Added Reference Type Austin Hackers Anonymous: https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001 Types: Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 07, 2026
Action Type Old Value New Value Added Reference https://github.com/Bin4ry/yarbo-nat-in-my-back-yard -
New CVE Received by [email protected]
May. 07, 2026
Action Type Old Value New Value 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-306 Added Reference https://github.com/Bin4ry/yarbo-nat-in-my-back-yard Added Reference https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001