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CVE-2026-6942— radare2-mcp <=1.6.0 OS Command Injection via Shell Metacharacter Bypass

Quick assessment

Affected
radareorg radare2-mcp
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.

Radare2 MCP Server是radare org开源的一款基于radare2的二进制分析工具。 Radare2 MCP Server 1.6.0及之前版本存在操作系统命令注入漏洞，该漏洞源于操作系统命令注入，允许远程攻击者通过用户控制输入中的shell元字符绕过命令过滤器执行任意命令。

CVSS 9.8 · Critical EPSS 1.92% · P78

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
radareorg radare2-mcp < 1.6.0 affected
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I. Basic Information for CVE-2026-6942

Vulnerability Information
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Vulnerability Title
radare2-mcp <=1.6.0 OS Command Injection via Shell Metacharacter Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
radare2-mcp version 1.6.0 and earlier contains an os command injection vulnerability that allows remote attackers to execute arbitrary commands by bypassing the command filter through shell metacharacters in user-controlled input passed to r2_cmd_str(). Attackers can inject shell metacharacters through the jsonrpc interface parameters to achieve remote code execution on the host running radare2-mcp without requiring authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
Vulnerability Title
Radare2 MCP Server 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Radare2 MCP Server是radare org开源的一款基于radare2的二进制分析工具。 Radare2 MCP Server 1.6.0及之前版本存在操作系统命令注入漏洞，该漏洞源于操作系统命令注入，允许远程攻击者通过用户控制输入中的shell元字符绕过命令过滤器执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
radareorg radare2-mcp 0 ~ 1.6.0 -

II. Public POCs for CVE-2026-6942

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III. Intelligence Information for CVE-2026-6942

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Patches & Fixes for CVE-2026-6942 (1)

Proof of Concept for CVE-2026-6942 (1)

Same Patch Batch · radareorg · 2026-04-23 · 3 CVEs total

CVE-2026-6940 7.1 HIGH radare2 < 6.1.4 Project Deletion Path Traversal Directory Deletion
CVE-2026-6941 6.6 MEDIUM radare2 < 6.1.4 Project Notes Path Traversal via Symlink

IV. Related Vulnerabilities

Same vendor: radareorg
Same weakness: CWE-78

V. Comments for CVE-2026-6942

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