Is CVE-2026-4957 actively exploited?

No active exploitation of CVE-2026-4957 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4957 be exploited remotely?

Yes. CVE-2026-4957 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4957?

CVE-2026-4957 has a CVSS score of 2.7 (LOW).

HOME VULNERABILITIESCVE-2026-4957

LOW

CVE-2026-4957

CWE-200Published: March 27, 2026· Updated: Mar 30, 2026

2.7

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.3th

Official 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.

NVD Source

Technical Analysis

CVE-2026-4957 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.