# CVE-2026-6942

> Vulnerability · severity: **CRITICAL** (CVSS 9.8).

## 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.

## Key facts

- **CVE ID:** CVE-2026-6942
- **Published:** 2026-04-23
- **CVSS severity:** CRITICAL
- **CVSS base score:** 9.8
- **CWE codes:** CWE-78

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-6942

## Citation

> AI Analytics. CVE-2026-6942. Retrieved 2026-07-18 from https://api.ai-analytics.org/cve/CVE-2026-6942. Derived from NIST NVD. Licensed CC0.

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