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CVE-2026-4958

CVSS 1.3v4.0pub. 2026-03-27upd. 2026-04-29

A vulnerability has been found in OpenBMB XAgent 1.0.0. This affects the function ReplayServer.on_connect/ReplayServer.send_data of the file XAgentServer/application/websockets/replayer.py of the component WebSocket Endpoint. Such manipulation of the argument interaction_id leads to authorization bypass. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is reported as difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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
  • Openbmb Xagent

    APP
    Openbmb
    1.0.0
πŸ”΅
CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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CVE-2026-4958 β€” Openbmb β€” Xagent β€” LOW β€” CVSS 1.3 | CVEbaza.pl