CVE-2026-76639
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
Unitree G1 EDU firmware through 1.5.2 contains an unauthenticated remote code execution vulnerability that allows network-adjacent attackers to execute arbitrary commands as root by chaining three weaknesses: an unauthenticated WebRTC-to-DDS bridge on TCP port 9991, a static AES-128 key stored with world-readable permissions, and a path traversal flaw in the chat_go knowledge upload API. Attackers can publish DDS control messages to restart the bashrunner service, plant a malicious payload in its script execution directory via path traversal, and trigger execution of that payload as uid 0 through the bashrunner shell subprocess.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unitree Robotics | G1 EDU | 0 <= 1.5.2 | affected |
Weaknesses
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-306: Missing Authentication for Critical Function
References
- https://boschko.ca/g1-ble-rce/
- https://github.com/OlivierLaflamme/UniBLEed
- https://www.vulncheck.com/advisories/unitree-g1-edu-unauthenticated-rce-via-dds-bridge-and-path-traversal
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