5.2.1Updated Apr 6, 2026

express

Fast, unopinionated, minimalist web framework

Security updates detected

This release includes security related updates. Review the notes and consider updating soon.

5.2.12025-12-01T20:54:44Z

[!IMPORTANT]
The prior release (5.2.0) included an erroneous breaking change related to the extended query parser. There is no actual security vulnerability associated with this behavior (CVE-2024-51999 has been rejected). The change has been fully reverted in this release.
Release: 5.2.1 by @UlisesGascon in https://github.com/expressjs/express/pull/6933
Full Changelog: https://github.com/expressjs/express/compare/v5.2.0...v5.2.1

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