CVE-2026-4958: low-severity vulnerability in OpenBMB XAgent
OpenBMB XAgent WebSocket Endpoint replayer.py ReplayServer.send_data authorization
Published · Updated
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28Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 2.3epss 0.4%
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: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
Affected products
OpenBMB · XAgentpublic PoCs found — 1
cve_referencegist.github.com/YLChen-007/dc46c2a710ecb9e855695f32da8bcab5unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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