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I. Basic Information for CVE-2026-4957
Vulnerability Information

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Vulnerability Title
OpenBMB XAgent API Key function_handler.py FunctionHandler.handle_tool_call log file
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in OpenBMB XAgent 1.0.0. The impacted element is the function FunctionHandler.handle_tool_call of the file XAgent/function_handler.py of the component API Key Handler. This manipulation of the argument api_key causes sensitive information in log files. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过日志文件的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
XAgent 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XAgent是OpenBMB开源的一个开源的实验性大型语言模型(LLM)驱动的自治代理。 XAgent 1.0.0版本存在日志信息泄露漏洞,该漏洞源于对文件XAgent/function_handler.py中参数api_key的错误操作,可能导致日志文件中的敏感信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
OpenBMBXAgent 1.0.0 cpe:2.3:a:openbmb:xagent:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-4957
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III. Intelligence Information for CVE-2026-4957
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