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.
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Affected Vendors & Products
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History
Fri, 28 Aug 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Unitree Robotics
Unitree Robotics g1 Edu |
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| Vendors & Products |
Unitree Robotics
Unitree Robotics g1 Edu |
Thu, 27 Aug 2026 18:00:00 +0000
| Type | Values Removed | Values Added |
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| Description | 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. | |
| Title | Unitree G1 EDU 1.5.2 Unauthenticated RCE via DDS Bridge and Path Traversal | |
| Weaknesses | CWE-22 CWE-306 |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-08-27T17:51:46.346Z
Updated: 2026-08-31T18:56:06.235Z
Reserved: 2026-08-19T14:53:58.575Z
Link: CVE-2026-76639
No data.
Status : Received
Published: 2026-08-27T20:18:38.230
Modified: 2026-08-31T19:17:11.783
Link: CVE-2026-76639
No data.