OpenBMB XAgent WebSocket Endpoint replayer.py ReplayServer.send_data authorization_CVE-2026-4958

2.3 / 10

LOW

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

Description

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.

Basic Information

ID CVE-2026-4958

Source VulDB

Published Mar 27, 2026 at 15:31

Modified Mar 30, 2026 at 12:09

Affected Product

Vendor OpenBMB

Product XAgent

Version 1.0.0

Affected Versions OpenBMB XAgent 1.0.0

CWE Classification

CWE-639 CWE-285

References

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    "lastseen": "",
    "description": "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.",
    "published": "2026-03-27T15:31:27.729Z",
    "modified": "2026-03-30T12:09:48.220Z",
    "type": "cve",
    "title": "OpenBMB XAgent WebSocket Endpoint replayer.py ReplayServer.send_data authorization",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.353835\nhttps://vuldb.com/?ctiid.353835\nhttps://vuldb.com/?submit.777618\nhttps://gist.github.com/YLChen-007/dc46c2a710ecb9e855695f32da8bcab5",
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    "sourceData": "OpenBMB XAgent 1.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 2.3,
        "severity": "LOW",
        "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",
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