Description
FreeMail before 5.3.2 contains an authorization bypass vulnerability that allows authenticated users to claim another user's existing mailbox via the POST /api/create endpoint. Attackers who know a victim's address can become co-owners through assignMailboxToUser to read messages and verification codes, set forwarding, and delete mail.
Related CPE's
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References
CVSS impact metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
7.6 · High
Information
Source identifier
Vulnerability status
Deferred
Published
2026-10-29T14:17:51.827Z
16 hours agoLast modified
2026-10-29T16:21:34.310Z
14 hours ago