CVE-2026-46339

{"id": "CVE-2026-46339", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-46339", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-16T12:55:18.873125Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "decolua", "product": "9router", "versions": [{"status": "affected", "version": ">= 0.4.30, < 0.4.37"}]}]}], "published": "2026-07-15T21:16:50.067", "references": [{"url": "https://github.com/decolua/9router/commit/992f4db4a0d858bcc86b4786f2abab117a6ccdf8", "source": "security-advisories@github.com"}, {"url": "https://github.com/decolua/9router/security/advisories/GHSA-fhh6-4qxv-rpqj", "source": "security-advisories@github.com"}, {"url": "https://github.com/decolua/9router/security/advisories/GHSA-fhh6-4qxv-rpqj", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/* and /api/mcp/*, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP bridge. This vulnerability is fixed in 0.4.37."}], "lastModified": "2026-07-16T14:16:52.513", "sourceIdentifier": "security-advisories@github.com"}