CVE-2026-4958

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 v3 3.1 LOW
CVSS v2.0 2.1 LOW

3.1^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.6 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:S/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gist.github.com/YLChen-007/dc46c2a710ecb9e855695f32da8bcab5
https://vuldb.com/?ctiid.353835
https://vuldb.com/?id.353835
https://vuldb.com/?submit.777618

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-27 16:16

Updated : 2026-03-30 13:26

NVD link : CVE-2026-4958

Mitre link : CVE-2026-4958

CVE.ORG link : CVE-2026-4958

JSON object : View

Products Affected

No product.

CWE

CWE-285

Improper Authorization

CWE-639

Authorization Bypass Through User-Controlled Key

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