CVE-2026-4957
2.7 · LOWOverview
CVE-2026-4957 is a low-severity vulnerability affecting openbmb xagent. It was published on March 27, 2026 and has a CVSS 3.1 base score of 2.7 (LOW).
This vulnerability has a CVSS 3.1 base score of 2.7, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from openbmb. Update xagent to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2026-4957?
CVE-2026-4957 is a low-severity vulnerability affecting openbmb xagent. It was published on March 27, 2026 and has a CVSS 3.1 base score of 2.7 (LOW).
How severe is CVE-2026-4957?
This vulnerability has a CVSS 3.1 base score of 2.7, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-4957?
Check the references section for vendor advisories and patches from openbmb. Update xagent to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-4957?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-4957 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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