Missing Authentication for Critical Function Affecting @agenticmail/mcp package, versions <0.9.27
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- published1 Jul 2026
- disclosed1 Jun 2026
- creditUnknown
Introduced: 1 Jun 2026
CVE NOT AVAILABLE CWE-306 (opens in a new tab)How to fix?
Upgrade @agenticmail/mcp to version 0.9.27 or higher.
Overview
@agenticmail/mcp is a MCP server for AgenticMail — give any AI client real email, SMS, and phone call-control capabilities
Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the process that handles HTTP requests to the /mcp endpoint when started with the --http flag or MCP_HTTP=1 environment variable. An attacker can perform unauthorized administrative and gateway operations by sending unauthenticated HTTP requests to the exposed endpoint, which are then executed with server-side privileges using the configured master key.