Which products and versions are affected by CVE-2026-0755?

Affected: gemini-mcp-tool (npm) versions >= 1.1.2. The full list is in the CVE brief.

Is CVE-2026-0755 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-0755 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-0755?

No public exploit code is known.

Is there a fix for CVE-2026-0755?

Fixed versions are available, including gemini-mcp-tool 1.1.6.

How urgently should CVE-2026-0755 be patched?

Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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Vulnerability Intelligence

CVE-2026-0755

Critical

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

Published Jan 23, 2026 · Updated Jun 18, 2026 · Also known as EUVD-2026-4492, GHSA-28qq-5f47-r5x2, GHSA-4h5r-5jm8-jxjm

Key Facts

Patch in the next maintenance window

CVE-2026-0755 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting gemini-mcp-tool (npm).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 3.5% probability of exploitation in the next 30 days.
Fixed versions are available, including gemini-mcp-tool 1.1.6.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

3.5%

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2026-0755 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
gemini-mcp-toolnpm	>= 1.1.2	1.1.6

Patched Releases

gemini-mcp-tool

1.1.6

Timeline

Publicly disclosed
Jan 23, 2026
Last updated
Jun 18, 2026

Weakness Type

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

References

advisoryGHSA advisory
advisoryGHSA advisory
advisoryhttps://github.com/jamubc/gemini-mcp-tool/security/advisories/GHSA-4h5r-5jm8-jxjm
advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-0755
advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-26-021

2 more references in the full CVE brief

FAQ

Common Questions.

gemini-mcp-tool execAsync Command Injection Remote Code Execution Vulnerability.
Affected: gemini-mcp-tool (npm) versions >= 1.1.2. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including gemini-mcp-tool 1.1.6.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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