CVE-2026-4958
A vulnerability has been found in OpenBMB XAgent 1.0.0.
Does this matter?
Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 1.3 LOWCVSS: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/M
- EPSS
- 0.38% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-285, CWE-639
- Affected
- openbmb/xagent
- Source
- cna@vuldb.com
References
- https://gist.github.com/YLChen-007/dc46c2a710ecb9e855695f32da8bcab5Exploit, Third Party Advisory
- https://vuldb.com/?ctiid.353835Permissions Required, VDB Entry
- https://vuldb.com/?id.353835Permissions Required, VDB Entry
- https://vuldb.com/?submit.777618Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.