CVE-2026-4957

LOW 2.7

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

CVSS Score

2.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-532 CWE-200
Vendor	openbmb
Product	xagent
Published	Mar 27, 2026
Last Updated	Mar 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

OpenBMB / XAgent

1.0.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.353834 vuldb.com: https://vuldb.com/?ctiid.353834 vuldb.com: https://vuldb.com/?submit.777615 gist.github.com: https://gist.github.com/YLChen-007/6279f3de0c2dff7732eaaf820843b562

Credits

🔍 Eric-z (VulDB User) VulDB