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CVE-2026-63732: 9router 0 to before 0.4.60
CVE-2026-63732. CVSS 3.1 base score 9.9 (CRITICAL, Vendor/CNA). EPSS 0.01011 (percentile 0.6284), scored 22-Oct-2026.
Affected technology
9router · 0 to before 0.4.60
decolua
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
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. Vendor/CNA’s CVSS 4.0 assessment (base score 9.4/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-78
- CCR priority
- 39.9 /100 (P4)
- CVSS 3.1
- 9.9 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.01011 · percentile 0.62898 · 2026-10-24
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-63732.html