vinkius-labs/mcp-fusion

v3.1.31 Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

Published 3mo MCP Developer Tools

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

mcp mcp-framework mcp-server model-context-protocol

Affected surfaces

rce_ssrf

Summary

AI summary

Fixed sandbox behavior to reject eval and new Function calls.

Full changelog

Fixed

Bug #139: SandboxGuard now rejects eval() and new Function() at fail-fast level
Bug #140: getSandboxConfig() JSDoc documents metadata-only nature
Bug #141: f.sandbox() tracks dispose via FinalizationRegistry, warns on leaked engines
Bug #142: Abort handler releases per-request Context for faster cancellation in concurrent mode

Breaking Changes

SandboxGuard now fails fast when encountering eval() or new Function()

View diff on GitHub

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About vinkius-labs/mcp-fusion

A TypeScript framework for building production-ready MCP servers with automatic tool discovery, multi-transport support (stdio/SSE/HTTP), built-in validation, and zero-config setup.

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Related context

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Earlier breaking changes

v4.0.0 All packages now published under the `@mcpfusion` npm scope.
v4.0.0 GitHub repository renamed to vinkius-labs/mcpfusion; npm packages under @mcpfusion scope.
v4.0.0 All source code, documentation, CLI output, workflows, and npm packages now use the @mcpfusion scope.