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v4.0.2

probelabs/probev4.0.2Jun 6, 2026by github-actions[bot]

AI Summary

Patch release fixing critical OAuthProxy credential leaks and redirect URI validation issues in the FastMCP project.

Key Highlights

  • Fixed OAuthProxy credential leak vulnerability.
  • Fixed redirect_uri validation to prevent potential security bypasses.

New Features

  • OAuth security fixes

Full Release Notes

## [4.0.2](https://github.com/punkpeye/fastmcp/compare/v4.0.1...v4.0.2) (2026-06-06)


### Bug Fixes

* **auth:** fix OAuthProxy credential leak and redirect_uri validation ([#262](https://github.com/punkpeye/fastmcp/issues/262)) ([43f5f2e](https://github.com/punkpeye/fastmcp/commit/43f5f2e57d62e41d6fe03f4af9662894ad81d3f7))