CVE-2026-10280: HORIZON921 Mcpilot

High severity, CVSS 7.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A security flaw has been discovered in horizon921 mcpilot 0.1.0. The impacted element is an unknown function of the file client/src/app/api/mcp/call/route.ts of the component MCP API Call Endpoint. The manipulation of the argument serverBaseUrl results in server-side request forgery. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• HORIZON921 Mcpilot: version 0.1.0 only

Published 2026-06-01. Last modified 2026-07-22.