Medium severityNVD Advisory· Published Apr 21, 2026· Updated Apr 22, 2026

CVE-2026-40874

Description

mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, no administrator verification takes place when deleting Forwarding Hosts with /api/v1/delete/fwdhost. Any authenticated user can call this API. Checks are only applied for edit/add actions, but deletion can still significantly disrupt the mail service. Version 2026-03b fixes the vulnerability.

Affected products

Mailcow/Mailcow Dockerizedinferred
Range: <2026-03b

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-jjxh-rm7p-hjc3nvd

News mentions

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