CVE-2026-0755

Critical

Description

gemini-mcp-tool execAsync Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of gemini-mcp-tool. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the execAsync method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-27783.

SeverityCritical

CVSS9.8

Exploit probability—

ProductGemini-mcp-tool

PublishedJan 23, 2026

First seenJan 23, 2026

Weakness typeCWE-78OS command injection

How to fix

Update

gemini-mcp-tool1.1.6 or later

Affected products

Product	Affected versions	Fixed in
gemini-mcp-toolnpm	1.1.2 ≤ v < 1.1.6	1.1.6

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