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CVE-2026-49353

9Router: Local-Only Access Gate Bypass in 9router via Host Header SpoofING PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
decolua / 9routeraffected <= 0.4.45

CWE

CWE-290

References

ADP enrichment

CISA-ADP

No English description supplied.