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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.

PUBLISHED Reserved 2026-01-08 | Published 2026-01-23 | Updated 2026-01-23 | Assigner zdi




CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

Default status
unknown

1.1.2
affected

References

www.zerodayinitiative.com/advisories/ZDI-26-021/ (ZDI-26-021)

cve.org (CVE-2026-0755)

nvd.nist.gov (CVE-2026-0755)

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