RCE in Gemini Mcp Tool Gemini-Mcp-Tool

CVE-2026-0755

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.035 (88.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-0755: held from 0.032 to 0.035.

EPSS over last 30 days · oldest: 0.032 · newest: 0.035 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-0755?
CVE-2026-0755 is a critical-severity vulnerability in Gemini Mcp Tool Gemini-Mcp-Tool, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-23.
How severe is CVE-2026-0755?
Critical severity. CVSS v3 base score is 9.8 out of 10.