CVE-2026-4957

LOW

OpenBMB XAgent API Key function_handler.py FunctionHandler.handle_tool_call log file

Title source: cna

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.

References (4)

Core 4

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-353834 | OpenBMB XAgent API Key function_handler.py FunctionHandler.handle_tool_call log file

https://vuldb.com/?id.353834

Signature, Permissions Required signature permissions-required

VDB-353834 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/?ctiid.353834

Third Party Advisory third-party-advisory

Submit #777615 | OpenBMB XAgent v1.0.0 CWE-532

https://vuldb.com/?submit.777615

Exploit exploit

https://gist.github.com/YLChen-007/6279f3de0c2dff7732eaaf820843b562

Scores

CVSS v3 2.7

EPSS 0.0028

EPSS Percentile 19.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-200 CWE-532

Status published

Products (2)

openbmb/xagent 1.0.0

OpenBMB/XAgent 1.0.0

Published Mar 27, 2026

Tracked Since Mar 29, 2026