CVE-2026-117560— ATXP Gemini CLI Extension through 1.0.0 OS Command Injection via MCP Tools

Quick assessment

Affected

atxp gemini-cli-extension

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ATXP Gemini CLI 扩展（1.0.0 及更早版本）在函数中存在操作系统命令注入漏洞。该漏洞允许攻击者通过未经验证的 MCP 工具参数执行 Shell 命令。攻击者可在电子邮件或短信内容中植入指令，将或反引号（backtick）替换注入到、或等参数中，从而以当前用户身份执行恶意命令。

CVSS 7.8 · High Updated Oct 27, 2026

Possible ATT&CK Techniques 2 AI

T1190 · Exploit Public-Facing Application T1059 · Command and Scripting Interpreter

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Vulnerability Information

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Vulnerability Title

ATXP Gemini CLI Extension through 1.0.0 OS Command Injection via MCP Tools

Source: CVE Program / CVE List V5

Vulnerability Description

ATXP Gemini CLI extension through 1.0.0 contains an OS command injection vulnerability in runAtxp() that allows attackers to execute shell commands through unsanitized MCP tool parameters. Attackers can plant instructions in email or SMS content to inject $() or backtick substitutions into parameters like message_id, subject, or query, running commands as the user.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
atxp	gemini-cli-extension	0 ~ 1.0.0	-

II. Public POCs for CVE-2026-117560

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-117560

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Vendor Advisories for CVE-2026-117560 (2)

Proof of Concept for CVE-2026-117560 (1)

🔗 atxp/src/server.ts at 4e88b0282b51ae7c22ea1b6ca4476a39298299ff · atxp-dev/atxp · GitHub Read full article technical-description

Other References for CVE-2026-117560 (1)

🔗 GitHub - atxp-dev/atxp: Give your AI agent a wallet, email, phone number, and instant access to paid MCP tools — web search, image/video/music gen, X search, SMS, voice calls, code execution, and more. Works with Gemini CLI, Claude, and any MCP client. · GitHub product

https://www.cve.org/CVERecord?id=CVE-2026-117560

IV. Related Vulnerabilities

Same weakness: CWE-78