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2026-03b

mailcow/mailcow-dockerized2026-03bMar 31, 2026by FreddleSpl0it

AI Summary

This update improves input validation and HTML escaping in the Web and Dovecot components to mitigate security risks, following previous updates regarding forced 2FA and DNS-01 challenges.

Key Highlights

  • Input validation and escaping improvements
  • Security fixes in Web and Dovecot components
  • Associated CVE identifiers to be published later

Full Release Notes

## What's Changed
This is a small but **important** update that fixes several security-related issues.
We recommend updating to this version.
Associated CVE identifiers will be published later.

* [Web][Dovecot] Improve input validation and escaping by @FreddleSpl0it in https://github.com/mailcow/mailcow-dockerized/pull/7173


**Full Changelog**: https://github.com/mailcow/mailcow-dockerized/compare/2026-03a...2026-03b