CVE-2026-6942

CRITICAL 9.8

radare2-mcp <=1.6.0 OS Command Injection via Shell Metacharacter Bypass

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78
Vendor	radareorg
Product	radare2
Published	Apr 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

radareorg / radare2

0 < 1.6.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Manthan Ghasadiya