PT-2026-34753 · Radareorg · Radare2

Manthan Ghasadiya · Published 2026-04-23 · Updated 2026-04-23 · CVE-2026-6942

Mitre

CVSS v3.1

9.8

Critical

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

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.

Exploit

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-6942

Affected Products

Radare2

References · 4

• 🔥 https://github.com/radareorg/radare2-mcp/issues/45 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6942 · Security Note
• https://vulncheck.com/advisories/radare2-mcp-os-command-injection-via-shell-metacharacter-bypass · Note
• https://github.com/radareorg/radare2-mcp/commit/482cde6500009112a8bc0b3fa8d2ef6180581ec0 · Note