CVE-2026-73296: Fastmcp Unauthenticated Server

FastMCP server initialized without an `auth` provider parameter. Unauthenticated HTTP MCP endpoints allow remote callers to execute actions or retrieve sensitive device data.

Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0

Python

greprules fetch cve-2026-73296-fastmcp-unauthenticated-server --engine opengrep

Description

FastMCP server initialized without an `auth` provider parameter. Unauthenticated HTTP MCP endpoints allow remote callers to execute actions or retrieve sensitive device data.

License: Apache-2.0
Source context: Public repository
Source: Provally CVE rule catalog
Validation status: Verified
Quality signals: 1.2K downloads
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