Security Advisory

CVE-2026-34834

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-02 19:11:54

Last updated 2026-04-03 18:11:56

Assigner GitHub_M

State PUBLISHED

Description

Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to version 1.4.10, the verifyIdentity() function contained logic that returned true if no session cookies were present. This allowed unauthenticated attackers to bypass security checks and access/modify user settings via the /api/settings endpoint by providing arbitrary headers. This issue has been patched in version 1.4.10.

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