v4.12.2

punkpeye/fastmcpv4.12.2Aug 1, 2026by github-actions[bot]

AI Summary

This release addresses a security vulnerability by implementing timing-safe comparison for JWT and consent signatures to prevent timing attacks.

Key Highlights

Implemented timing-safe comparison for JWT and consent signatures
Fixes security vulnerability regarding signature comparison
Addresses issue #301

Full Release Notes

## [4.12.2](https://github.com/punkpeye/fastmcp/compare/v4.12.1...v4.12.2) (2026-08-01)


### Bug Fixes

* **auth:** use timing-safe comparison for JWT and consent signatures ([#301](https://github.com/punkpeye/fastmcp/issues/301)) ([f0d8e69](https://github.com/punkpeye/fastmcp/commit/f0d8e698e3701137602ea2d539d16b968ce24578))