PT-2026-38460 · Yarbo · Yarbo

Andreas Makris + 1 · Published 2026-05-07 · Updated 2026-05-14 · CVE-2026-7415

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Yarbo firmware version 2.3.9

Description The embedded MQTT broker is configured to permit anonymous connections and lacks topic-level read or write Access Control Lists (ACLs). This allows any host on the same network to subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-7415

Affected Products

Yarbo

References · 6

• 🔥 https://github.com/Bin4ry/yarbo-nat-in-my-back-yard · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7415 · Security Note
• https://twitter.com/lyrie_ai/status/2054871023984456168 · Twitter Post
• https://t.me/cveNotify/163491 · Telegram Post
• https://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001 · Note
• https://twitter.com/threatcluster/status/2052456222935146626 · Twitter Post