CVE-2026-63732 - 9router before 0.4.60 Remote Code Execution via default password
CVE ID :CVE-2026-63732
Published : July 23, 2026, 10:16 p.m. | 2 hours, 33 minutes ago
Description :9router 0.4.59 (fixed in 0.4.60) contains a chain of vulnerabilities: a hardcoded default password (123456) that authenticates any fresh installation, a bypass of the LOCAL_ONLY network gate via a spoofed Host header, and unvalidated arguments passed to child_process.spawn() when registering MCP plugins. A remote, unauthenticated attacker can log in with the default credential, spoof the Host header to reach local-only routes, and register a malicious MCP plugin (e.g. node -e) to achieve arbitrary code execution on the host operating system when the plugin's SSE endpoint is triggered.
Severity: 9.9 | CRITICAL
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Published : July 23, 2026, 10:16 p.m. | 2 hours, 33 minutes ago
Description :9router 0.4.59 (fixed in 0.4.60) contains a chain of vulnerabilities: a hardcoded default password (123456) that authenticates any fresh installation, a bypass of the LOCAL_ONLY network gate via a spoofed Host header, and unvalidated arguments passed to child_process.spawn() when registering MCP plugins. A remote, unauthenticated attacker can log in with the default credential, spoof the Host header to reach local-only routes, and register a malicious MCP plugin (e.g. node -e
Severity: 9.9 | CRITICAL
Visit the link for more details, such as CVSS details, affected products, timeline, and more...