Low 2.7Published Mar 27, 2026

CVE-2026-4957OpenBMB XAgent API Key function_handler.py FunctionHandler.handle_tool_call log file

Updated under an hour ago (Oct 26, 2026, 6:30 PM ET)

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It affects OpenBMB XAgent. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for OpenBMB XAgent

Exploited in the last 30 days

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.

CVSS: 2.7 LOW (v3.1, CNA)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
Weakness (CWE): CWE-532, CWE-200
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Mar 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

OpenBMB XAgent openbmb:xagent	1.0.0	CNA record
openbmb xagent openbmb:xagent	1.0.0	NVD

References

References

https://vuldb.com/?id.353834	vdb-entry, technical-description, permissions-required
https://vuldb.com/?ctiid.353834	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.777615	third-party-advisory, issue-tracking
https://gist.github.com/YLChen-007/6279f3de0c2dff7732eaaf820843b562	exploit, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.