{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62312", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-13T19:27:58.314Z", "datePublished": "2026-07-15T20:53:18.302Z", "dateUpdated": "2026-07-15T20:53:18.302Z"}, "containers": {"cna": {"title": "9Router: Authenticated RCE via Unvalidated MCP Plugin Arguments", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/decolua/9router/security/advisories/GHSA-63p9-g54h-prrp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/decolua/9router/security/advisories/GHSA-63p9-g54h-prrp"}, {"name": "https://github.com/decolua/9router/commit/da667836cc7584bea0edd893de1d590c9ea279dc", "tags": ["x_refsource_MISC"], "url": "https://github.com/decolua/9router/commit/da667836cc7584bea0edd893de1d590c9ea279dc"}, {"name": "https://github.com/decolua/9router/releases/tag/v0.5.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/decolua/9router/releases/tag/v0.5.2"}], "affected": [{"vendor": "decolua", "product": "9router", "versions": [{"version": "< 0.5.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-15T20:53:18.302Z"}, "descriptions": [{"lang": "en", "value": "9Router is an AI router & token saver. Prior to 0.5.2, 9Router allows a remote authenticated attacker to achieve arbitrary code execution on the host operating system by combining a Host header bypass of localhost-only routes with unvalidated MCP plugin args passed to child_process.spawn(), allowing malicious custom plugins to execute commands through /api/mcp//sse. This issue is fixed in version 0.5.2."}], "source": {"advisory": "GHSA-63p9-g54h-prrp", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.5.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "9router", "source": "cna", "vendor": "decolua"}, "product": "9router", "vendor": "decolua"}], "created": "2026-07-15T23:30:04.386962+00:00", "updated": "2026-07-15T23:30:04.386981+00:00", "vendors": ["decolua", "decolua$PRODUCT$9router"]}