CVE-2026-115996: Unitree Robotics Unitree Go2 chat_go websocket.py WebSocketClient.connect certificate validation
Vulnerability summary
CVE-2026-115996 is a medium (CVSS 6.3) Improper Authentication vulnerability in unitree robotics unitree go2.
Timeline
- 24-10-2026PublishedVulnerability first disclosed.
Description
A vulnerability was detected in Unitree Robotics Unitree Go2 up to 1.1.13/1.1.14.1/1.1.15.1. This affects the function WebSocketClient.connect of the file websocket.py of the component chat_go. Performing a manipulation results in improper certificate validation. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is reported as difficult. The vendor confirmed early: "These issues were previously submitted by the researcher through our Security Response Center platform and are tracked internally as follows: Submission 990504 corresponds to our internal ticket #616 (Go2 chat_go WSS client disabled TLS server certificate validation, CWE-295)."
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST6.3MediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST3.7LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- NVDNIST2.6LowAV:N/AC:H/Au:N/C:N/I:P/A:N
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Unitree robotics1 product
- unitree go21.1.0 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5 | 1.1.6 | 1.1.7 | 1.1.8 | 1.1.9 | 1.1.10 | 1.1.11 | 1.1.12 | 1.1.13 | 1.1.14.0 | 1.1.14.1 | 1.1.15.0 | 1.1.15.1
1 vendor · 1 product
References
4 links- vuldb.com/cve/CVE-2026-115996Third Party Advisory
- vuldb.com/submit/990504Third Party Advisory