CVE-2026-4957

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.
References
Link Resource
https://gist.github.com/YLChen-007/6279f3de0c2dff7732eaaf820843b562 Third Party Advisory Exploit
https://vuldb.com/?ctiid.353834 Permissions Required VDB Entry
https://vuldb.com/?id.353834 Permissions Required VDB Entry
https://vuldb.com/?submit.777615 Issue Tracking Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:openbmb:xagent:1.0.0:*:*:*:*:*:*:*

History

29 Apr 2026, 17:03

Type Values Removed Values Added
References () https://gist.github.com/YLChen-007/6279f3de0c2dff7732eaaf820843b562 - () https://gist.github.com/YLChen-007/6279f3de0c2dff7732eaaf820843b562 - Third Party Advisory, Exploit
References () https://vuldb.com/?ctiid.353834 - () https://vuldb.com/?ctiid.353834 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.353834 - () https://vuldb.com/?id.353834 - Permissions Required, VDB Entry
References () https://vuldb.com/?submit.777615 - () https://vuldb.com/?submit.777615 - Issue Tracking, Third Party Advisory
CPE cpe:2.3:a:openbmb:xagent:1.0.0:*:*:*:*:*:*:*
First Time Openbmb
Openbmb xagent

27 Mar 2026, 15:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-03-27 15:17

Updated : 2026-04-29 17:03


NVD link : CVE-2026-4957

Mitre link : CVE-2026-4957

CVE.ORG link : CVE-2026-4957


JSON object : View

Products Affected

openbmb

  • xagent
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-532

Insertion of Sensitive Information into Log File