ArcadeAI/arcade-mcp

ArcadeAI/arcade-mcp

docs.arcade.dev

Releases68

Frequency4 days 14 hours

Last Release 11 months ago

Stars908

MCP Server Framework and Tool Development library for building custom capabilities into agents.

Log in to subscribe

CVE History

CVE	Published	CVSS v3	CVSS v2
CVE-2025-66454 ↗	Dec 2, 2025Tuesday, 2 December 2025, 19:15	6.5 MEDIUM	—
Arcade MCP allows you to to create, deploy, and share MCP Servers. Prior to 1.5.4, the arcade-mcp HTTP server uses a hardcoded default worker secret ("dev") that is never validated or overridden during normal server startup. As a result, any unauthenticated attacker who knows this default key can forge valid JWTs and fully bypass the FastAPI authentication layer. This grants remote access to all worker endpoints—including tool enumeration and tool invocation—without credentials. This vulnerability is fixed in 1.5.4.