CVE-2026-4959 PUBLISHED

OpenBMB XAgent ShareServer WebSocket Endpoint share.py check_user missing authentication

Assigner: VulDB
Reserved: 27.03.2026 Published: 27.03.2026 Updated: 27.03.2026

A vulnerability was found in OpenBMB XAgent 1.0.0. This impacts the function check_user of the file XAgentServer/application/websockets/share.py of the component ShareServer WebSocket Endpoint. Performing a manipulation of the argument interaction_id results in missing authentication. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.9

Product Status

Vendor OpenBMB
Product XAgent
Versions
  • Version 1.0.0 is affected

Credits

  • Eric-z (VulDB User) reporter
  • VulDB coordinator

References

Problem Types

  • Missing Authentication CWE
  • Improper Authentication CWE