github axllent/mailpit v1.28.2

18 hours ago

This release includes an important security fix, so upgrading is strongly recommended.

This is a security release to address CVE-2026-22689 which allowed unauthenticated browser access to the websocket which provides the real-time web UI updates when new messages are received. A huge thanks to the security researcher (@omarkurt) who reported this issue responsibly.

Security

  • Prevent Cross-Site WebSocket Hijacking (CSWSH) allowing unauthenticated access to message data CVE-2026-22689

Feature

Chore

  • Remove webkit warnings about missing template / render functions
  • Avoid empty URL query parameter when returning to inbox from message view

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