mailcow-dockerized

v2026-05a Security

This release includes 1 security fix for security teams reviewing exposed deployments.

Published 21d Communication & Email

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✓ No known CVEs patched

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This release patches 1 known CVE

Topics

acme clamav docker dovecot groupware imap

+9 more

mail mailcow mailserver olefy postfix rspamd servercow smtp sogo

ReleasePort's take

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editorial:auto 13d

SOGo 5.12.8, included in mailcow-dockerized 2026-05a, addresses four security issues. Upgrade mailcow deployments running earlier SOGo versions to apply these patches.

Why it matters: SOGo 5.12.8 fixes four security issues. Upgrade mailcow-dockerized deployments to mitigate exposure to these vulnerabilities.

Summary

AI summary

Updates SOGo to version 5.12.8, fixing four security issues.

Changes in this release

Type	Severity	Summary	CVE
Security	Medium	SOGo updated to version 5.12.8 addressing four security issues SOGo updated to version 5.12.8 addressing four security issues Source: llm_adapter@2026-05-21 Confidence: low	—

Full changelog

What's Changed

This release updates SOGo to version 5.12.8, addressing 4 security issues:
https://www.sogo.nu/news/2026/sogo-v5128-released.html

We strongly recommend updating to this version.

[SOGo] Update to 5.12.8 by @FreddleSpl0it in https://github.com/mailcow/mailcow-dockerized/pull/7226

Full Changelog: https://github.com/mailcow/mailcow-dockerized/compare/2026-05...2026-05a

Security Fixes

dep: CVE-2026‑XXXX – multiple security issues fixed in SOGo 5.12.8

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