Agent Zero 0.9.8 contains a remote code execution vulnerability in its External MCP Servers configuration feature. The application allows users to define MCP servers using a JSON configuration containing arbitrary command and args values. These values are executed by the application when the configuration is applied without sufficient validation or restriction. An attacker may supply a malicious MCP configuration to execute arbitrary operating system commands, potentially resulting in remote code execution with the privileges of the Agent Zero process.
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Fixes

Solution

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Workaround

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History

Wed, 15 Apr 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-77
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 15 Apr 2026 15:30:00 +0000

Type Values Removed Values Added
Description Agent Zero 0.9.8 contains a remote code execution vulnerability in its External MCP Servers configuration feature. The application allows users to define MCP servers using a JSON configuration containing arbitrary command and args values. These values are executed by the application when the configuration is applied without sufficient validation or restriction. An attacker may supply a malicious MCP configuration to execute arbitrary operating system commands, potentially resulting in remote code execution with the privileges of the Agent Zero process.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-15T18:02:40.808Z

Reserved: 2026-03-04T00:00:00.000Z

Link: CVE-2026-30624

cve-icon Vulnrichment

Updated: 2026-04-15T18:02:35.117Z

cve-icon NVD

Status : Received

Published: 2026-04-15T16:16:36.677

Modified: 2026-04-15T16:16:36.677

Link: CVE-2026-30624

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses