CVE-2026-30624 — HIGH (8.6)

Vulnerability 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.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

HIGH

Affected Products

Vendor	Product	Versions
Agent-Zero	Agent-Zero	0.9.8

Related Weaknesses (CWE)

CWE-77

References

https://www.ox.security/blog/mcp-supply-chain-advisory-rce-vulnerabilities-acrosThird Party Advisory

FAQ

What is CVE-2026-30624?

CVE-2026-30624 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 contain...

How severe is CVE-2026-30624?

CVE-2026-30624 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-30624?

Check the references section above for vendor advisories and patch information. Affected products include: Agent-Zero Agent-Zero.