{"id":"CVE-2026-6942","title":"radare2-mcp <=1.6.0 OS Command Injection via Shell Metacharacter Bypass","summary":"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 …","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-78"],"vendor":"radareorg","product":"radare2-mcp","affected":["radare2-mcp <= 1.6.0"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-04-24T11:06:58.764810Z"},"exploitAvailable":true,"published":"2026-04-23","updated":"2026-10-29","sourceUpdated":"2026-10-29T21:16:32.153Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-6942","references":[{"url":"https://github.com/radareorg/radare2-mcp/issues/45","label":"Pull Request"},{"url":"https://github.com/radareorg/radare2-mcp/commit/482cde6500009112a8bc0b3fa8d2ef6180581ec0","label":"Patch Commit"},{"url":"https://www.vulncheck.com/advisories/radare2-mcp-os-command-injection-via-shell-metacharacter-bypass"}],"tags":["cve.org","exploit-available"],"epss":0.0192,"epssPercentile":0.80029,"ingestedAt":"2026-11-03T08:39:35.586Z","slug":"CVE-2026-6942","body":"## Overview\n\nradare2-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.\n\n## Affected\n\n- `radare2-mcp <= 1.6.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.4,"exploitation":12,"ransomware":0},"changes":[]}