{"id":"CVE-2026-49353","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-49353","generatedAt":"2026-10-28T10:37:05.514Z","title":"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…","description":"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.","published":"2026-07-15T21:16:54.000Z","lastModified":"2026-10-24T21:10:00.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N"},"cwe":["CWE-290"],"affected":[],"epss":{"score":0.00335,"percentile":0.26727,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"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"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-49353","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}