CVE-2026-0755

gemini-mcp-tool execAsync Command Injection Remote Code Execution Vulnerability

Published Jan 23, 2026 CVSS 3.0 · 9.8 Critical EPSS 3.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-4h5r-5jm8-jxjm gemini-mcp-tool vulnerable to OS command injection and @file exfiltration via prompt quoting (CVE-2026-0755)
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Gemini Mcp Tool
Gemini Mcp Tool gemini-mcp-tool
Vendors & Products Gemini Mcp Tool
Gemini Mcp Tool gemini-mcp-tool
Type Values Removed Values Added
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.
Title gemini-mcp-tool execAsync Command Injection Remote Code Execution Vulnerability
Weaknesses CWE-78
References
Metrics cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Jan 23, 2026, 7:35 PM
Reserved
Jan 8, 2026, 10:49 PM
Status
Deferred
Published
Jan 23, 2026, 4:16 AM
Modified
Jun 17, 2026, 10:11 AM