CVE-2026-57207

MediumCVSS 5.9/10Last modified Oct 30, 2026

Description

NetBox MCP Server is a simple read-only Model Context Protocol server for NetBox. Prior to version 1.2.1, when running with TRANSPORT=http, the MCP server has no authentication on the HTTP endpoint. Any client that can reach the port gets a valid MCP session and full access to all four NetBox tools - no token or credential needed. This issue has been patched in version 1.2.1.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-306CWE-1059

Affected software

VendorProductVersions
netboxlabsnetbox-mcp-server< 1.2.1

References

Timeline

Published
Oct 23, 2026
Last modified
Oct 30, 2026
NVD status
Deferred

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CVE-2026-57207: Medium severity, CVSS 5.9 | Vulnix