What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-23 · updated 2026-10-29
• Weakness: CWE-78

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.

Affected products

• radareorg radare2-mcp: before 1.7.0 — fixed in 1.7.0
• radareorg radare2-mcp: through 1.6.0

How to fix

Upgrade to a fixed version: radareorg radare2-mcp 1.7.0. Check the vendor advisory for mitigations.

References

• https://github.com/radareorg/radare2-mcp/commit/482cde6500009112a8bc0b3fa8d2ef6180581ec0
• https://github.com/radareorg/radare2-mcp/issues/45
• https://www.vulncheck.com/advisories/radare2-mcp-os-command-injection-via-shell-metacharacter-bypass

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