{"id":"CVE-2026-49353","sourceIdentifier":"security-advisories@github.com","published":"2026-07-15T21:16:53.870","lastModified":"2026-10-24T21:10:00.130","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"9Router is an AI router & token saver. In 0.4.45 and earlier, 9Router's src/dashboardGuard.js local-only access gate used Host and Origin headers in isLocalRequest() to protect /api/mcp/*, /api/tunnel/*, and /api/cli-tools/*, allowing header spoofing in reverse proxy or tunnel deployments to reach MCP child process stdin paths."},{"lang":"es","value":"9Router es un router de IA y ahorrador de tokens. En 0.4.45 y versiones anteriores, la puerta de acceso de solo local src/dashboardGuard.js de 9Router utilizaba los encabezados Host y Origin en isLocalRequest() para proteger /api/mcp/*, /api/tunnel/*, y /api/cli-tools/*, permitiendo la suplantación de encabezados en implementaciones de proxy inverso o túnel para alcanzar las rutas stdin del proceso hijo de MCP."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"decolua","product":"9router","versions":[{"version":"<= 0.4.45","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":4.7}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-16T14:49:42.771907Z","id":"CVE-2026-49353","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-290"}]}],"references":[{"url":"https://github.com/decolua/9router/commit/5e1c1261368e06dced1cbc650684561b2c8844db","source":"security-advisories@github.com"},{"url":"https://github.com/decolua/9router/commit/bb86808582067e4fc6f004508a919efb9970d1d5","source":"security-advisories@github.com"},{"url":"https://github.com/decolua/9router/releases/tag/v0.4.46","source":"security-advisories@github.com"},{"url":"https://github.com/decolua/9router/security/advisories/GHSA-6g2f-w7g3-77vf","source":"security-advisories@github.com"},{"url":"https://github.com/decolua/9router/security/advisories/GHSA-6g2f-w7g3-77vf","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}