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CVE-2026-4957

MEDIUM CVSS 4.0: 5.1 EPSS 0.03%
Updated Mar 30, 2026
OpenBMB
Parameter Value
CVSS 5.1 (MEDIUM)
Type CWE-200 (Information Exposure), CWE-532
Vendor OpenBMB
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0